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Finding the Fourth Proportional to 52,694.64, 72,718.65 and 29,724.75

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Solution

The fourth proportional to 52,694.64, 72,718.65 and 29,724.75 is: 41,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,694.64 : 72,718.65 = 29,724.75 : x
  2. Step 2: Convert to fraction form
    52,694.64/72,718.65 = 29,724.75/x
  3. Step 3: Cross multiply
    52,694.64x = 72,718.65 × 29,724.75
  4. Step 4: Simplify right side
    52,694.64x = 2,161,543,691.59
  5. Step 5: Solve for x
    x = 2,161,543,691.59/52,694.64
  6. Step 6: Final answer
    x = 41,020.18

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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.