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Finding the Fourth Proportional to 32,679.43, 49,014.51 and 10,489.88

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Solution

The fourth proportional to 32,679.43, 49,014.51 and 10,489.88 is: 15,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,679.43 : 49,014.51 = 10,489.88 : x
  2. Step 2: Convert to fraction form
    32,679.43/49,014.51 = 10,489.88/x
  3. Step 3: Cross multiply
    32,679.43x = 49,014.51 × 10,489.88
  4. Step 4: Simplify right side
    32,679.43x = 514,156,328.16
  5. Step 5: Solve for x
    x = 514,156,328.16/32,679.43
  6. Step 6: Final answer
    x = 15,733.33

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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.