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Finding the Fourth Proportional to 29,047.50, 40,082.60 and 17,711.55

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Solution

The fourth proportional to 29,047.50, 40,082.60 and 17,711.55 is: 24,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,047.50 : 40,082.60 = 17,711.55 : x
  2. Step 2: Convert to fraction form
    29,047.50/40,082.60 = 17,711.55/x
  3. Step 3: Cross multiply
    29,047.50x = 40,082.60 × 17,711.55
  4. Step 4: Simplify right side
    29,047.50x = 709,924,885.47
  5. Step 5: Solve for x
    x = 709,924,885.47/29,047.50
  6. Step 6: Final answer
    x = 24,440.14

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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.