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Finding the Fourth Proportional to 62,702.04, 86,531.31 and 34,408.74

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Solution

The fourth proportional to 62,702.04, 86,531.31 and 34,408.74 is: 47,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,702.04 : 86,531.31 = 34,408.74 : x
  2. Step 2: Convert to fraction form
    62,702.04/86,531.31 = 34,408.74/x
  3. Step 3: Cross multiply
    62,702.04x = 86,531.31 × 34,408.74
  4. Step 4: Simplify right side
    62,702.04x = 2,977,433,347.65
  5. Step 5: Solve for x
    x = 2,977,433,347.65/62,702.04
  6. Step 6: Final answer
    x = 47,485.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.