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Finding the Fourth Proportional to 6,580.88, 9,865.52 and 2,479.76

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Solution

The fourth proportional to 6,580.88, 9,865.52 and 2,479.76 is: 3,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.88 : 9,865.52 = 2,479.76 : x
  2. Step 2: Convert to fraction form
    6,580.88/9,865.52 = 2,479.76/x
  3. Step 3: Cross multiply
    6,580.88x = 9,865.52 × 2,479.76
  4. Step 4: Simplify right side
    6,580.88x = 24,464,121.88
  5. Step 5: Solve for x
    x = 24,464,121.88/6,580.88
  6. Step 6: Final answer
    x = 3,717.45

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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.