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Finding the Fourth Proportional to 38,339.70, 57,531.15 and 14,963.10

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Solution

The fourth proportional to 38,339.70, 57,531.15 and 14,963.10 is: 22,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.70 : 57,531.15 = 14,963.10 : x
  2. Step 2: Convert to fraction form
    38,339.70/57,531.15 = 14,963.10/x
  3. Step 3: Cross multiply
    38,339.70x = 57,531.15 × 14,963.10
  4. Step 4: Simplify right side
    38,339.70x = 860,844,350.57
  5. Step 5: Solve for x
    x = 860,844,350.57/38,339.70
  6. Step 6: Final answer
    x = 22,453.08

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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.