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Finding the Fourth Proportional to 41,407.72, 61,793.46 and 36,978.92

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Solution

The fourth proportional to 41,407.72, 61,793.46 and 36,978.92 is: 55,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,407.72 : 61,793.46 = 36,978.92 : x
  2. Step 2: Convert to fraction form
    41,407.72/61,793.46 = 36,978.92/x
  3. Step 3: Cross multiply
    41,407.72x = 61,793.46 × 36,978.92
  4. Step 4: Simplify right side
    41,407.72x = 2,285,055,413.86
  5. Step 5: Solve for x
    x = 2,285,055,413.86/41,407.72
  6. Step 6: Final answer
    x = 55,184.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.