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Finding the Fourth Proportional to 6,630.66, 9,948.02 and 3,711.02

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Solution

The fourth proportional to 6,630.66, 9,948.02 and 3,711.02 is: 5,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.66 : 9,948.02 = 3,711.02 : x
  2. Step 2: Convert to fraction form
    6,630.66/9,948.02 = 3,711.02/x
  3. Step 3: Cross multiply
    6,630.66x = 9,948.02 × 3,711.02
  4. Step 4: Simplify right side
    6,630.66x = 36,917,232.89
  5. Step 5: Solve for x
    x = 36,917,232.89/6,630.66
  6. Step 6: Final answer
    x = 5,567.66

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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.