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Finding the Fourth Proportional to 70,162.88, 96,823.56 and 38,330.96

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Solution

The fourth proportional to 70,162.88, 96,823.56 and 38,330.96 is: 52,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,162.88 : 96,823.56 = 38,330.96 : x
  2. Step 2: Convert to fraction form
    70,162.88/96,823.56 = 38,330.96/x
  3. Step 3: Cross multiply
    70,162.88x = 96,823.56 × 38,330.96
  4. Step 4: Simplify right side
    70,162.88x = 3,711,340,005.42
  5. Step 5: Solve for x
    x = 3,711,340,005.42/70,162.88
  6. Step 6: Final answer
    x = 52,896.06

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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.