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Finding the Fourth Proportional to 70,352.91, 97,086.57 and 38,087.29

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Solution

The fourth proportional to 70,352.91, 97,086.57 and 38,087.29 is: 52,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,352.91 : 97,086.57 = 38,087.29 : x
  2. Step 2: Convert to fraction form
    70,352.91/97,086.57 = 38,087.29/x
  3. Step 3: Cross multiply
    70,352.91x = 97,086.57 × 38,087.29
  4. Step 4: Simplify right side
    70,352.91x = 3,697,764,346.70
  5. Step 5: Solve for x
    x = 3,697,764,346.70/70,352.91
  6. Step 6: Final answer
    x = 52,560.22

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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.