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Finding the Fourth Proportional to 5,689.88, 8,532.33 and 2,876.99

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Solution

The fourth proportional to 5,689.88, 8,532.33 and 2,876.99 is: 4,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.88 : 8,532.33 = 2,876.99 : x
  2. Step 2: Convert to fraction form
    5,689.88/8,532.33 = 2,876.99/x
  3. Step 3: Cross multiply
    5,689.88x = 8,532.33 × 2,876.99
  4. Step 4: Simplify right side
    5,689.88x = 24,547,385.43
  5. Step 5: Solve for x
    x = 24,547,385.43/5,689.88
  6. Step 6: Final answer
    x = 4,314.22

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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.