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Finding the Fourth Proportional to 9,512.87, 13,124.57 and 5,530.73

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Solution

The fourth proportional to 9,512.87, 13,124.57 and 5,530.73 is: 7,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.87 : 13,124.57 = 5,530.73 : x
  2. Step 2: Convert to fraction form
    9,512.87/13,124.57 = 5,530.73/x
  3. Step 3: Cross multiply
    9,512.87x = 13,124.57 × 5,530.73
  4. Step 4: Simplify right side
    9,512.87x = 72,588,425.38
  5. Step 5: Solve for x
    x = 72,588,425.38/9,512.87
  6. Step 6: Final answer
    x = 7,630.55

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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.