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Finding the Fourth Proportional to 69,964.80, 96,552.82 and 38,133.67

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Solution

The fourth proportional to 69,964.80, 96,552.82 and 38,133.67 is: 52,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.80 : 96,552.82 = 38,133.67 : x
  2. Step 2: Convert to fraction form
    69,964.80/96,552.82 = 38,133.67/x
  3. Step 3: Cross multiply
    69,964.80x = 96,552.82 × 38,133.67
  4. Step 4: Simplify right side
    69,964.80x = 3,681,913,375.45
  5. Step 5: Solve for x
    x = 3,681,913,375.45/69,964.80
  6. Step 6: Final answer
    x = 52,625.23

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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.