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Finding the Fourth Proportional to 59,451.78, 82,013.13 and 45,280.02

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Solution

The fourth proportional to 59,451.78, 82,013.13 and 45,280.02 is: 62,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,451.78 : 82,013.13 = 45,280.02 : x
  2. Step 2: Convert to fraction form
    59,451.78/82,013.13 = 45,280.02/x
  3. Step 3: Cross multiply
    59,451.78x = 82,013.13 × 45,280.02
  4. Step 4: Simplify right side
    59,451.78x = 3,713,556,166.66
  5. Step 5: Solve for x
    x = 3,713,556,166.66/59,451.78
  6. Step 6: Final answer
    x = 62,463.33

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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.