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Finding the Fourth Proportional to 83,584.74, 125,420.22 and 55,524.18

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Solution

The fourth proportional to 83,584.74, 125,420.22 and 55,524.18 is: 83,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,584.74 : 125,420.22 = 55,524.18 : x
  2. Step 2: Convert to fraction form
    83,584.74/125,420.22 = 55,524.18/x
  3. Step 3: Cross multiply
    83,584.74x = 125,420.22 × 55,524.18
  4. Step 4: Simplify right side
    83,584.74x = 6,963,854,870.92
  5. Step 5: Solve for x
    x = 6,963,854,870.92/83,584.74
  6. Step 6: Final answer
    x = 83,314.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.