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Finding the Fourth Proportional to 55,570.58, 76,723.17 and 49,591.98

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Solution

The fourth proportional to 55,570.58, 76,723.17 and 49,591.98 is: 68,468.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.58 : 76,723.17 = 49,591.98 : x
  2. Step 2: Convert to fraction form
    55,570.58/76,723.17 = 49,591.98/x
  3. Step 3: Cross multiply
    55,570.58x = 76,723.17 × 49,591.98
  4. Step 4: Simplify right side
    55,570.58x = 3,804,853,912.18
  5. Step 5: Solve for x
    x = 3,804,853,912.18/55,570.58
  6. Step 6: Final answer
    x = 68,468.85

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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.