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Finding the Fourth Proportional to 29,764.68, 44,641.88 and 8,418.88

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Solution

The fourth proportional to 29,764.68, 44,641.88 and 8,418.88 is: 12,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,764.68 : 44,641.88 = 8,418.88 : x
  2. Step 2: Convert to fraction form
    29,764.68/44,641.88 = 8,418.88/x
  3. Step 3: Cross multiply
    29,764.68x = 44,641.88 × 8,418.88
  4. Step 4: Simplify right side
    29,764.68x = 375,834,588.60
  5. Step 5: Solve for x
    x = 375,834,588.60/29,764.68
  6. Step 6: Final answer
    x = 12,626.87

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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.