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Finding the Fourth Proportional to 62,581.50, 86,362.47 and 34,287.84

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Solution

The fourth proportional to 62,581.50, 86,362.47 and 34,287.84 is: 47,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,581.50 : 86,362.47 = 34,287.84 : x
  2. Step 2: Convert to fraction form
    62,581.50/86,362.47 = 34,287.84/x
  3. Step 3: Cross multiply
    62,581.50x = 86,362.47 × 34,287.84
  4. Step 4: Simplify right side
    62,581.50x = 2,961,182,553.36
  5. Step 5: Solve for x
    x = 2,961,182,553.36/62,581.50
  6. Step 6: Final answer
    x = 47,317.22

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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.