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Finding the Fourth Proportional to 70,016.43, 96,606.07 and 39,799.38

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Solution

The fourth proportional to 70,016.43, 96,606.07 and 39,799.38 is: 54,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,016.43 : 96,606.07 = 39,799.38 : x
  2. Step 2: Convert to fraction form
    70,016.43/96,606.07 = 39,799.38/x
  3. Step 3: Cross multiply
    70,016.43x = 96,606.07 × 39,799.38
  4. Step 4: Simplify right side
    70,016.43x = 3,844,861,953.01
  5. Step 5: Solve for x
    x = 3,844,861,953.01/70,016.43
  6. Step 6: Final answer
    x = 54,913.71

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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.