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Finding the Fourth Proportional to 70,162.75, 96,826.73 and 38,333.71

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Solution

The fourth proportional to 70,162.75, 96,826.73 and 38,333.71 is: 52,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,162.75 : 96,826.73 = 38,333.71 : x
  2. Step 2: Convert to fraction form
    70,162.75/96,826.73 = 38,333.71/x
  3. Step 3: Cross multiply
    70,162.75x = 96,826.73 × 38,333.71
  4. Step 4: Simplify right side
    70,162.75x = 3,711,727,788.07
  5. Step 5: Solve for x
    x = 3,711,727,788.07/70,162.75
  6. Step 6: Final answer
    x = 52,901.69

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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.