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Finding the Fourth Proportional to 8,332.46, 11,469.54 and 7,545.14

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Solution

The fourth proportional to 8,332.46, 11,469.54 and 7,545.14 is: 10,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.46 : 11,469.54 = 7,545.14 : x
  2. Step 2: Convert to fraction form
    8,332.46/11,469.54 = 7,545.14/x
  3. Step 3: Cross multiply
    8,332.46x = 11,469.54 × 7,545.14
  4. Step 4: Simplify right side
    8,332.46x = 86,539,285.04
  5. Step 5: Solve for x
    x = 86,539,285.04/8,332.46
  6. Step 6: Final answer
    x = 10,385.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.