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Finding the Fourth Proportional to 59,859.90, 82,605.13 and 33,001.78

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Solution

The fourth proportional to 59,859.90, 82,605.13 and 33,001.78 is: 45,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,859.90 : 82,605.13 = 33,001.78 : x
  2. Step 2: Convert to fraction form
    59,859.90/82,605.13 = 33,001.78/x
  3. Step 3: Cross multiply
    59,859.90x = 82,605.13 × 33,001.78
  4. Step 4: Simplify right side
    59,859.90x = 2,726,116,327.13
  5. Step 5: Solve for x
    x = 2,726,116,327.13/59,859.90
  6. Step 6: Final answer
    x = 45,541.61

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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.