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Finding the Fourth Proportional to 8,432.66, 12,646.82 and 2,508.01

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Solution

The fourth proportional to 8,432.66, 12,646.82 and 2,508.01 is: 3,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.66 : 12,646.82 = 2,508.01 : x
  2. Step 2: Convert to fraction form
    8,432.66/12,646.82 = 2,508.01/x
  3. Step 3: Cross multiply
    8,432.66x = 12,646.82 × 2,508.01
  4. Step 4: Simplify right side
    8,432.66x = 31,718,351.03
  5. Step 5: Solve for x
    x = 31,718,351.03/8,432.66
  6. Step 6: Final answer
    x = 3,761.37

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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.