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Finding the Fourth Proportional to 91,034.66, 125,627.84 and 50,747.55

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Solution

The fourth proportional to 91,034.66, 125,627.84 and 50,747.55 is: 70,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034.66 : 125,627.84 = 50,747.55 : x
  2. Step 2: Convert to fraction form
    91,034.66/125,627.84 = 50,747.55/x
  3. Step 3: Cross multiply
    91,034.66x = 125,627.84 × 50,747.55
  4. Step 4: Simplify right side
    91,034.66x = 6,375,304,838.05
  5. Step 5: Solve for x
    x = 6,375,304,838.05/91,034.66
  6. Step 6: Final answer
    x = 70,031.63

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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.