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Finding the Fourth Proportional to 5,849.29, 8,773.94 and 1,689.90

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Solution

The fourth proportional to 5,849.29, 8,773.94 and 1,689.90 is: 2,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,849.29 : 8,773.94 = 1,689.90 : x
  2. Step 2: Convert to fraction form
    5,849.29/8,773.94 = 1,689.90/x
  3. Step 3: Cross multiply
    5,849.29x = 8,773.94 × 1,689.90
  4. Step 4: Simplify right side
    5,849.29x = 14,827,081.21
  5. Step 5: Solve for x
    x = 14,827,081.21/5,849.29
  6. Step 6: Final answer
    x = 2,534.85

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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.