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Finding the Fourth Proportional to 69,951.77, 96,530.63 and 38,119.98

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Solution

The fourth proportional to 69,951.77, 96,530.63 and 38,119.98 is: 52,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,951.77 : 96,530.63 = 38,119.98 : x
  2. Step 2: Convert to fraction form
    69,951.77/96,530.63 = 38,119.98/x
  3. Step 3: Cross multiply
    69,951.77x = 96,530.63 × 38,119.98
  4. Step 4: Simplify right side
    69,951.77x = 3,679,745,494.39
  5. Step 5: Solve for x
    x = 3,679,745,494.39/69,951.77
  6. Step 6: Final answer
    x = 52,604.04

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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.