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Finding the Fourth Proportional to 6,657.30, 9,992.08 and 3,372.72

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Solution

The fourth proportional to 6,657.30, 9,992.08 and 3,372.72 is: 5,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.30 : 9,992.08 = 3,372.72 : x
  2. Step 2: Convert to fraction form
    6,657.30/9,992.08 = 3,372.72/x
  3. Step 3: Cross multiply
    6,657.30x = 9,992.08 × 3,372.72
  4. Step 4: Simplify right side
    6,657.30x = 33,700,488.06
  5. Step 5: Solve for x
    x = 33,700,488.06/6,657.30
  6. Step 6: Final answer
    x = 5,062.19

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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.