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Finding the Fourth Proportional to 6,493.52, 9,724.67 and 3,711.76

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Solution

The fourth proportional to 6,493.52, 9,724.67 and 3,711.76 is: 5,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.52 : 9,724.67 = 3,711.76 : x
  2. Step 2: Convert to fraction form
    6,493.52/9,724.67 = 3,711.76/x
  3. Step 3: Cross multiply
    6,493.52x = 9,724.67 × 3,711.76
  4. Step 4: Simplify right side
    6,493.52x = 36,095,612.17
  5. Step 5: Solve for x
    x = 36,095,612.17/6,493.52
  6. Step 6: Final answer
    x = 5,558.71

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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.