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Finding the Fourth Proportional to 61,792.80, 92,725.65 and 40,793.55

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Solution

The fourth proportional to 61,792.80, 92,725.65 and 40,793.55 is: 61,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,792.80 : 92,725.65 = 40,793.55 : x
  2. Step 2: Convert to fraction form
    61,792.80/92,725.65 = 40,793.55/x
  3. Step 3: Cross multiply
    61,792.80x = 92,725.65 × 40,793.55
  4. Step 4: Simplify right side
    61,792.80x = 3,782,608,439.56
  5. Step 5: Solve for x
    x = 3,782,608,439.56/61,792.80
  6. Step 6: Final answer
    x = 61,214.39

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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.