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Finding the Fourth Proportional to 29,522.40, 40,737.92 and 18,190.08

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Solution

The fourth proportional to 29,522.40, 40,737.92 and 18,190.08 is: 25,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,522.40 : 40,737.92 = 18,190.08 : x
  2. Step 2: Convert to fraction form
    29,522.40/40,737.92 = 18,190.08/x
  3. Step 3: Cross multiply
    29,522.40x = 40,737.92 × 18,190.08
  4. Step 4: Simplify right side
    29,522.40x = 741,026,023.83
  5. Step 5: Solve for x
    x = 741,026,023.83/29,522.40
  6. Step 6: Final answer
    x = 25,100.47

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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.