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Finding the Fourth Proportional to 6,652.92, 9,986.67 and 3,882.72

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Solution

The fourth proportional to 6,652.92, 9,986.67 and 3,882.72 is: 5,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.92 : 9,986.67 = 3,882.72 : x
  2. Step 2: Convert to fraction form
    6,652.92/9,986.67 = 3,882.72/x
  3. Step 3: Cross multiply
    6,652.92x = 9,986.67 × 3,882.72
  4. Step 4: Simplify right side
    6,652.92x = 38,775,443.34
  5. Step 5: Solve for x
    x = 38,775,443.34/6,652.92
  6. Step 6: Final answer
    x = 5,828.33

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1.5x scale

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.