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Finding the Fourth Proportional to 29,061.50, 39,979.02 and 25,460.24

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Solution

The fourth proportional to 29,061.50, 39,979.02 and 25,460.24 is: 35,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.50 : 39,979.02 = 25,460.24 : x
  2. Step 2: Convert to fraction form
    29,061.50/39,979.02 = 25,460.24/x
  3. Step 3: Cross multiply
    29,061.50x = 39,979.02 × 25,460.24
  4. Step 4: Simplify right side
    29,061.50x = 1,017,875,444.16
  5. Step 5: Solve for x
    x = 1,017,875,444.16/29,061.50
  6. Step 6: Final answer
    x = 35,024.88

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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.