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Finding the Fourth Proportional to 42,657.99, 58,869.63 and 23,798.76

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Solution

The fourth proportional to 42,657.99, 58,869.63 and 23,798.76 is: 32,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.99 : 58,869.63 = 23,798.76 : x
  2. Step 2: Convert to fraction form
    42,657.99/58,869.63 = 23,798.76/x
  3. Step 3: Cross multiply
    42,657.99x = 58,869.63 × 23,798.76
  4. Step 4: Simplify right side
    42,657.99x = 1,401,024,195.66
  5. Step 5: Solve for x
    x = 1,401,024,195.66/42,657.99
  6. Step 6: Final answer
    x = 32,843.18

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.