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Finding the Fourth Proportional to 61,061.25, 84,249.95 and 35,551.92

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Solution

The fourth proportional to 61,061.25, 84,249.95 and 35,551.92 is: 49,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,061.25 : 84,249.95 = 35,551.92 : x
  2. Step 2: Convert to fraction form
    61,061.25/84,249.95 = 35,551.92/x
  3. Step 3: Cross multiply
    61,061.25x = 84,249.95 × 35,551.92
  4. Step 4: Simplify right side
    61,061.25x = 2,995,247,304.64
  5. Step 5: Solve for x
    x = 2,995,247,304.64/61,061.25
  6. Step 6: Final answer
    x = 49,053.16

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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.