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Finding the Fourth Proportional to 6,124.60, 9,169.89 and 3,927.88

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Solution

The fourth proportional to 6,124.60, 9,169.89 and 3,927.88 is: 5,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.60 : 9,169.89 = 3,927.88 : x
  2. Step 2: Convert to fraction form
    6,124.60/9,169.89 = 3,927.88/x
  3. Step 3: Cross multiply
    6,124.60x = 9,169.89 × 3,927.88
  4. Step 4: Simplify right side
    6,124.60x = 36,018,227.53
  5. Step 5: Solve for x
    x = 36,018,227.53/6,124.60
  6. Step 6: Final answer
    x = 5,880.91

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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.