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Finding the Fourth Proportional to 6,619.03, 9,920.84 and 2,456.38

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Solution

The fourth proportional to 6,619.03, 9,920.84 and 2,456.38 is: 3,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.03 : 9,920.84 = 2,456.38 : x
  2. Step 2: Convert to fraction form
    6,619.03/9,920.84 = 2,456.38/x
  3. Step 3: Cross multiply
    6,619.03x = 9,920.84 × 2,456.38
  4. Step 4: Simplify right side
    6,619.03x = 24,369,352.96
  5. Step 5: Solve for x
    x = 24,369,352.96/6,619.03
  6. Step 6: Final answer
    x = 3,681.71

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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.