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Finding the Fourth Proportional to 29,560.97, 40,724.82 and 20,592.24

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Solution

The fourth proportional to 29,560.97, 40,724.82 and 20,592.24 is: 28,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,560.97 : 40,724.82 = 20,592.24 : x
  2. Step 2: Convert to fraction form
    29,560.97/40,724.82 = 20,592.24/x
  3. Step 3: Cross multiply
    29,560.97x = 40,724.82 × 20,592.24
  4. Step 4: Simplify right side
    29,560.97x = 838,615,267.40
  5. Step 5: Solve for x
    x = 838,615,267.40/29,560.97
  6. Step 6: Final answer
    x = 28,369.01

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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.