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Finding the Fourth Proportional to 8,566.29, 11,807.34 and 5,732.64

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Solution

The fourth proportional to 8,566.29, 11,807.34 and 5,732.64 is: 7,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.29 : 11,807.34 = 5,732.64 : x
  2. Step 2: Convert to fraction form
    8,566.29/11,807.34 = 5,732.64/x
  3. Step 3: Cross multiply
    8,566.29x = 11,807.34 × 5,732.64
  4. Step 4: Simplify right side
    8,566.29x = 67,687,229.58
  5. Step 5: Solve for x
    x = 67,687,229.58/8,566.29
  6. Step 6: Final answer
    x = 7,901.58

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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.