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Finding the Fourth Proportional to 71,082.76, 106,624.49 and 28,963.26

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Solution

The fourth proportional to 71,082.76, 106,624.49 and 28,963.26 is: 43,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082.76 : 106,624.49 = 28,963.26 : x
  2. Step 2: Convert to fraction form
    71,082.76/106,624.49 = 28,963.26/x
  3. Step 3: Cross multiply
    71,082.76x = 106,624.49 × 28,963.26
  4. Step 4: Simplify right side
    71,082.76x = 3,088,192,681.42
  5. Step 5: Solve for x
    x = 3,088,192,681.42/71,082.76
  6. Step 6: Final answer
    x = 43,445.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.