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Finding the Fourth Proportional to 70,691.45, 106,034.40 and 23,944.32

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Solution

The fourth proportional to 70,691.45, 106,034.40 and 23,944.32 is: 35,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,691.45 : 106,034.40 = 23,944.32 : x
  2. Step 2: Convert to fraction form
    70,691.45/106,034.40 = 23,944.32/x
  3. Step 3: Cross multiply
    70,691.45x = 106,034.40 × 23,944.32
  4. Step 4: Simplify right side
    70,691.45x = 2,538,921,604.61
  5. Step 5: Solve for x
    x = 2,538,921,604.61/70,691.45
  6. Step 6: Final answer
    x = 35,915.54

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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.