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Finding the Fourth Proportional to 49,471.92, 74,207.90 and 14,414.32

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Solution

The fourth proportional to 49,471.92, 74,207.90 and 14,414.32 is: 21,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,471.92 : 74,207.90 = 14,414.32 : x
  2. Step 2: Convert to fraction form
    49,471.92/74,207.90 = 14,414.32/x
  3. Step 3: Cross multiply
    49,471.92x = 74,207.90 × 14,414.32
  4. Step 4: Simplify right side
    49,471.92x = 1,069,656,417.13
  5. Step 5: Solve for x
    x = 1,069,656,417.13/49,471.92
  6. Step 6: Final answer
    x = 21,621.49

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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.