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Finding the Fourth Proportional to 62,497.59, 86,243.34 and 34,197.81

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Solution

The fourth proportional to 62,497.59, 86,243.34 and 34,197.81 is: 47,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,497.59 : 86,243.34 = 34,197.81 : x
  2. Step 2: Convert to fraction form
    62,497.59/86,243.34 = 34,197.81/x
  3. Step 3: Cross multiply
    62,497.59x = 86,243.34 × 34,197.81
  4. Step 4: Simplify right side
    62,497.59x = 2,949,333,355.09
  5. Step 5: Solve for x
    x = 2,949,333,355.09/62,497.59
  6. Step 6: Final answer
    x = 47,191.15

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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.