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Finding the Fourth Proportional to 45,591.55, 62,923.64 and 26,728.68

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Solution

The fourth proportional to 45,591.55, 62,923.64 and 26,728.68 is: 36,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,591.55 : 62,923.64 = 26,728.68 : x
  2. Step 2: Convert to fraction form
    45,591.55/62,923.64 = 26,728.68/x
  3. Step 3: Cross multiply
    45,591.55x = 62,923.64 × 26,728.68
  4. Step 4: Simplify right side
    45,591.55x = 1,681,865,838.00
  5. Step 5: Solve for x
    x = 1,681,865,838.00/45,591.55
  6. Step 6: Final answer
    x = 36,889.86

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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.