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Finding the Fourth Proportional to 8,632.59, 12,949.74 and 3,437.25

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Solution

The fourth proportional to 8,632.59, 12,949.74 and 3,437.25 is: 5,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.59 : 12,949.74 = 3,437.25 : x
  2. Step 2: Convert to fraction form
    8,632.59/12,949.74 = 3,437.25/x
  3. Step 3: Cross multiply
    8,632.59x = 12,949.74 × 3,437.25
  4. Step 4: Simplify right side
    8,632.59x = 44,511,493.82
  5. Step 5: Solve for x
    x = 44,511,493.82/8,632.59
  6. Step 6: Final answer
    x = 5,156.22

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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.