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Finding the Fourth Proportional to 61,808.97, 85,252.86 and 59,751.45

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Solution

The fourth proportional to 61,808.97, 85,252.86 and 59,751.45 is: 82,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,808.97 : 85,252.86 = 59,751.45 : x
  2. Step 2: Convert to fraction form
    61,808.97/85,252.86 = 59,751.45/x
  3. Step 3: Cross multiply
    61,808.97x = 85,252.86 × 59,751.45
  4. Step 4: Simplify right side
    61,808.97x = 5,093,982,001.65
  5. Step 5: Solve for x
    x = 5,093,982,001.65/61,808.97
  6. Step 6: Final answer
    x = 82,414.93

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1.5x scale

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.