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Finding the Fourth Proportional to 6,661.92, 9,974.52 and 4,577.52

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Solution

The fourth proportional to 6,661.92, 9,974.52 and 4,577.52 is: 6,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.92 : 9,974.52 = 4,577.52 : x
  2. Step 2: Convert to fraction form
    6,661.92/9,974.52 = 4,577.52/x
  3. Step 3: Cross multiply
    6,661.92x = 9,974.52 × 4,577.52
  4. Step 4: Simplify right side
    6,661.92x = 45,658,564.79
  5. Step 5: Solve for x
    x = 45,658,564.79/6,661.92
  6. Step 6: Final answer
    x = 6,853.66

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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.