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Finding the Fourth Proportional to 59,355.67, 81,918.65 and 33,856.20

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Solution

The fourth proportional to 59,355.67, 81,918.65 and 33,856.20 is: 46,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,355.67 : 81,918.65 = 33,856.20 : x
  2. Step 2: Convert to fraction form
    59,355.67/81,918.65 = 33,856.20/x
  3. Step 3: Cross multiply
    59,355.67x = 81,918.65 × 33,856.20
  4. Step 4: Simplify right side
    59,355.67x = 2,773,454,198.13
  5. Step 5: Solve for x
    x = 2,773,454,198.13/59,355.67
  6. Step 6: Final answer
    x = 46,726.02

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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.