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Finding the Fourth Proportional to 42,057.80, 58,037.80 and 24,140.19

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Solution

The fourth proportional to 42,057.80, 58,037.80 and 24,140.19 is: 33,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,057.80 : 58,037.80 = 24,140.19 : x
  2. Step 2: Convert to fraction form
    42,057.80/58,037.80 = 24,140.19/x
  3. Step 3: Cross multiply
    42,057.80x = 58,037.80 × 24,140.19
  4. Step 4: Simplify right side
    42,057.80x = 1,401,043,519.18
  5. Step 5: Solve for x
    x = 1,401,043,519.18/42,057.80
  6. Step 6: Final answer
    x = 33,312.33

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Half scale
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Double scale
Find fourth proportional to 42,058.80, 58,039.18 and 24,141.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.