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Finding the Fourth Proportional to 59,398.61, 81,972.78 and 33,911.87

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Solution

The fourth proportional to 59,398.61, 81,972.78 and 33,911.87 is: 46,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,398.61 : 81,972.78 = 33,911.87 : x
  2. Step 2: Convert to fraction form
    59,398.61/81,972.78 = 33,911.87/x
  3. Step 3: Cross multiply
    59,398.61x = 81,972.78 × 33,911.87
  4. Step 4: Simplify right side
    59,398.61x = 2,779,850,258.90
  5. Step 5: Solve for x
    x = 2,779,850,258.90/59,398.61
  6. Step 6: Final answer
    x = 46,799.92

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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.