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Finding the Fourth Proportional to 16,620.52, 24,935.48 and 6,766.87

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Solution

The fourth proportional to 16,620.52, 24,935.48 and 6,766.87 is: 10,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.52 : 24,935.48 = 6,766.87 : x
  2. Step 2: Convert to fraction form
    16,620.52/24,935.48 = 6,766.87/x
  3. Step 3: Cross multiply
    16,620.52x = 24,935.48 × 6,766.87
  4. Step 4: Simplify right side
    16,620.52x = 168,735,223.91
  5. Step 5: Solve for x
    x = 168,735,223.91/16,620.52
  6. Step 6: Final answer
    x = 10,152.22

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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.