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Finding the Fourth Proportional to 8,892.91, 13,339.86 and 3,962.89

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Solution

The fourth proportional to 8,892.91, 13,339.86 and 3,962.89 is: 5,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.91 : 13,339.86 = 3,962.89 : x
  2. Step 2: Convert to fraction form
    8,892.91/13,339.86 = 3,962.89/x
  3. Step 3: Cross multiply
    8,892.91x = 13,339.86 × 3,962.89
  4. Step 4: Simplify right side
    8,892.91x = 52,864,397.80
  5. Step 5: Solve for x
    x = 52,864,397.80/8,892.91
  6. Step 6: Final answer
    x = 5,944.56

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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.