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Finding the Fourth Proportional to 44,750.70, 67,121.42 and 15,167.78

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Solution

The fourth proportional to 44,750.70, 67,121.42 and 15,167.78 is: 22,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,750.70 : 67,121.42 = 15,167.78 : x
  2. Step 2: Convert to fraction form
    44,750.70/67,121.42 = 15,167.78/x
  3. Step 3: Cross multiply
    44,750.70x = 67,121.42 × 15,167.78
  4. Step 4: Simplify right side
    44,750.70x = 1,018,082,931.85
  5. Step 5: Solve for x
    x = 1,018,082,931.85/44,750.70
  6. Step 6: Final answer
    x = 22,750.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.