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Finding the Fourth Proportional to 69,007.53, 103,530.15 and 24,638.79

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Solution

The fourth proportional to 69,007.53, 103,530.15 and 24,638.79 is: 36,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,007.53 : 103,530.15 = 24,638.79 : x
  2. Step 2: Convert to fraction form
    69,007.53/103,530.15 = 24,638.79/x
  3. Step 3: Cross multiply
    69,007.53x = 103,530.15 × 24,638.79
  4. Step 4: Simplify right side
    69,007.53x = 2,550,857,624.52
  5. Step 5: Solve for x
    x = 2,550,857,624.52/69,007.53
  6. Step 6: Final answer
    x = 36,964.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.