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Finding the Fourth Proportional to 29,113, 40,182.42 and 18,500.56

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Solution

The fourth proportional to 29,113, 40,182.42 and 18,500.56 is: 25,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113 : 40,182.42 = 18,500.56 : x
  2. Step 2: Convert to fraction form
    29,113/40,182.42 = 18,500.56/x
  3. Step 3: Cross multiply
    29,113x = 40,182.42 × 18,500.56
  4. Step 4: Simplify right side
    29,113x = 743,397,272.16
  5. Step 5: Solve for x
    x = 743,397,272.16/29,113
  6. Step 6: Final answer
    x = 25,534.89

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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.