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Finding the Fourth Proportional to 70,163.82, 96,825.78 and 38,333.25

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Solution

The fourth proportional to 70,163.82, 96,825.78 and 38,333.25 is: 52,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,163.82 : 96,825.78 = 38,333.25 : x
  2. Step 2: Convert to fraction form
    70,163.82/96,825.78 = 38,333.25/x
  3. Step 3: Cross multiply
    70,163.82x = 96,825.78 × 38,333.25
  4. Step 4: Simplify right side
    70,163.82x = 3,711,646,831.19
  5. Step 5: Solve for x
    x = 3,711,646,831.19/70,163.82
  6. Step 6: Final answer
    x = 52,899.73

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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.