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Finding the Fourth Proportional to 16,502.55, 24,754.55 and 5,409.87

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Solution

The fourth proportional to 16,502.55, 24,754.55 and 5,409.87 is: 8,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,502.55 : 24,754.55 = 5,409.87 : x
  2. Step 2: Convert to fraction form
    16,502.55/24,754.55 = 5,409.87/x
  3. Step 3: Cross multiply
    16,502.55x = 24,754.55 × 5,409.87
  4. Step 4: Simplify right side
    16,502.55x = 133,918,870.36
  5. Step 5: Solve for x
    x = 133,918,870.36/16,502.55
  6. Step 6: Final answer
    x = 8,115.04

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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.