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Finding the Fourth Proportional to 58,400.75, 80,610.86 and 36,608.83

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Solution

The fourth proportional to 58,400.75, 80,610.86 and 36,608.83 is: 50,531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,400.75 : 80,610.86 = 36,608.83 : x
  2. Step 2: Convert to fraction form
    58,400.75/80,610.86 = 36,608.83/x
  3. Step 3: Cross multiply
    58,400.75x = 80,610.86 × 36,608.83
  4. Step 4: Simplify right side
    58,400.75x = 2,951,069,159.89
  5. Step 5: Solve for x
    x = 2,951,069,159.89/58,400.75
  6. Step 6: Final answer
    x = 50,531.36

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1.5x scale

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.