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Finding the Fourth Proportional to 62,590.66, 86,375.16 and 37,109.60

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Solution

The fourth proportional to 62,590.66, 86,375.16 and 37,109.60 is: 51,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,590.66 : 86,375.16 = 37,109.60 : x
  2. Step 2: Convert to fraction form
    62,590.66/86,375.16 = 37,109.60/x
  3. Step 3: Cross multiply
    62,590.66x = 86,375.16 × 37,109.60
  4. Step 4: Simplify right side
    62,590.66x = 3,205,347,637.54
  5. Step 5: Solve for x
    x = 3,205,347,637.54/62,590.66
  6. Step 6: Final answer
    x = 51,211.28

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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.