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Finding the Fourth Proportional to 8,901.38, 13,365.66 and 7,532.66

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Solution

The fourth proportional to 8,901.38, 13,365.66 and 7,532.66 is: 11,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.38 : 13,365.66 = 7,532.66 : x
  2. Step 2: Convert to fraction form
    8,901.38/13,365.66 = 7,532.66/x
  3. Step 3: Cross multiply
    8,901.38x = 13,365.66 × 7,532.66
  4. Step 4: Simplify right side
    8,901.38x = 100,678,972.46
  5. Step 5: Solve for x
    x = 100,678,972.46/8,901.38
  6. Step 6: Final answer
    x = 11,310.49

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1.5x scale

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.