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Finding the Fourth Proportional to 8,761.52, 13,153.80 and 8,037.04

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Solution

The fourth proportional to 8,761.52, 13,153.80 and 8,037.04 is: 12,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.52 : 13,153.80 = 8,037.04 : x
  2. Step 2: Convert to fraction form
    8,761.52/13,153.80 = 8,037.04/x
  3. Step 3: Cross multiply
    8,761.52x = 13,153.80 × 8,037.04
  4. Step 4: Simplify right side
    8,761.52x = 105,717,616.75
  5. Step 5: Solve for x
    x = 105,717,616.75/8,761.52
  6. Step 6: Final answer
    x = 12,066.13

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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.