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Finding the Fourth Proportional to 8,332.61, 12,500.73 and 2,784.92

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Solution

The fourth proportional to 8,332.61, 12,500.73 and 2,784.92 is: 4,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.61 : 12,500.73 = 2,784.92 : x
  2. Step 2: Convert to fraction form
    8,332.61/12,500.73 = 2,784.92/x
  3. Step 3: Cross multiply
    8,332.61x = 12,500.73 × 2,784.92
  4. Step 4: Simplify right side
    8,332.61x = 34,813,470.49
  5. Step 5: Solve for x
    x = 34,813,470.49/8,332.61
  6. Step 6: Final answer
    x = 4,177.98

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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.