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Finding the Fourth Proportional to 41,057.04, 61,566.42 and 21,330.30

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Solution

The fourth proportional to 41,057.04, 61,566.42 and 21,330.30 is: 31,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,057.04 : 61,566.42 = 21,330.30 : x
  2. Step 2: Convert to fraction form
    41,057.04/61,566.42 = 21,330.30/x
  3. Step 3: Cross multiply
    41,057.04x = 61,566.42 × 21,330.30
  4. Step 4: Simplify right side
    41,057.04x = 1,313,230,519.39
  5. Step 5: Solve for x
    x = 1,313,230,519.39/41,057.04
  6. Step 6: Final answer
    x = 31,985.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.