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Finding the Fourth Proportional to 61,132.46, 84,370.92 and 35,639.33

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Solution

The fourth proportional to 61,132.46, 84,370.92 and 35,639.33 is: 49,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,132.46 : 84,370.92 = 35,639.33 : x
  2. Step 2: Convert to fraction form
    61,132.46/84,370.92 = 35,639.33/x
  3. Step 3: Cross multiply
    61,132.46x = 84,370.92 × 35,639.33
  4. Step 4: Simplify right side
    61,132.46x = 3,006,922,504.78
  5. Step 5: Solve for x
    x = 3,006,922,504.78/61,132.46
  6. Step 6: Final answer
    x = 49,187.01

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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.