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Finding the Fourth Proportional to 62,531.02, 86,291.31 and 34,237.90

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Solution

The fourth proportional to 62,531.02, 86,291.31 and 34,237.90 is: 47,247.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,531.02 : 86,291.31 = 34,237.90 : x
  2. Step 2: Convert to fraction form
    62,531.02/86,291.31 = 34,237.90/x
  3. Step 3: Cross multiply
    62,531.02x = 86,291.31 × 34,237.90
  4. Step 4: Simplify right side
    62,531.02x = 2,954,433,242.65
  5. Step 5: Solve for x
    x = 2,954,433,242.65/62,531.02
  6. Step 6: Final answer
    x = 47,247.48

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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.