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Finding the Fourth Proportional to 8,869.32, 13,306.86 and 7,562.91

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Solution

The fourth proportional to 8,869.32, 13,306.86 and 7,562.91 is: 11,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.32 : 13,306.86 = 7,562.91 : x
  2. Step 2: Convert to fraction form
    8,869.32/13,306.86 = 7,562.91/x
  3. Step 3: Cross multiply
    8,869.32x = 13,306.86 × 7,562.91
  4. Step 4: Simplify right side
    8,869.32x = 100,638,584.56
  5. Step 5: Solve for x
    x = 100,638,584.56/8,869.32
  6. Step 6: Final answer
    x = 11,346.82

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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.