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Finding the Fourth Proportional to 5,689.98, 7,849.02 and 3,331.68

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Solution

The fourth proportional to 5,689.98, 7,849.02 and 3,331.68 is: 4,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.98 : 7,849.02 = 3,331.68 : x
  2. Step 2: Convert to fraction form
    5,689.98/7,849.02 = 3,331.68/x
  3. Step 3: Cross multiply
    5,689.98x = 7,849.02 × 3,331.68
  4. Step 4: Simplify right side
    5,689.98x = 26,150,422.95
  5. Step 5: Solve for x
    x = 26,150,422.95/5,689.98
  6. Step 6: Final answer
    x = 4,595.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.