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Finding the Fourth Proportional to 8,353.32, 12,531.19 and 2,509.17

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Solution

The fourth proportional to 8,353.32, 12,531.19 and 2,509.17 is: 3,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.32 : 12,531.19 = 2,509.17 : x
  2. Step 2: Convert to fraction form
    8,353.32/12,531.19 = 2,509.17/x
  3. Step 3: Cross multiply
    8,353.32x = 12,531.19 × 2,509.17
  4. Step 4: Simplify right side
    8,353.32x = 31,442,886.01
  5. Step 5: Solve for x
    x = 31,442,886.01/8,353.32
  6. Step 6: Final answer
    x = 3,764.12

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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.