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Finding the Fourth Proportional to 70,644.38, 97,445.97 and 41,944.55

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Solution

The fourth proportional to 70,644.38, 97,445.97 and 41,944.55 is: 57,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,644.38 : 97,445.97 = 41,944.55 : x
  2. Step 2: Convert to fraction form
    70,644.38/97,445.97 = 41,944.55/x
  3. Step 3: Cross multiply
    70,644.38x = 97,445.97 × 41,944.55
  4. Step 4: Simplify right side
    70,644.38x = 4,087,326,873.73
  5. Step 5: Solve for x
    x = 4,087,326,873.73/70,644.38
  6. Step 6: Final answer
    x = 57,857.78

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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.