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Finding the Fourth Proportional to 62,351.60, 86,045 and 34,057.28

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Solution

The fourth proportional to 62,351.60, 86,045 and 34,057.28 is: 46,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,351.60 : 86,045 = 34,057.28 : x
  2. Step 2: Convert to fraction form
    62,351.60/86,045 = 34,057.28/x
  3. Step 3: Cross multiply
    62,351.60x = 86,045 × 34,057.28
  4. Step 4: Simplify right side
    62,351.60x = 2,930,458,657.60
  5. Step 5: Solve for x
    x = 2,930,458,657.60/62,351.60
  6. Step 6: Final answer
    x = 46,998.93

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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.