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Finding the Fourth Proportional to 5,874.71, 8,812.53 and 2,543.18

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Solution

The fourth proportional to 5,874.71, 8,812.53 and 2,543.18 is: 3,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.71 : 8,812.53 = 2,543.18 : x
  2. Step 2: Convert to fraction form
    5,874.71/8,812.53 = 2,543.18/x
  3. Step 3: Cross multiply
    5,874.71x = 8,812.53 × 2,543.18
  4. Step 4: Simplify right side
    5,874.71x = 22,411,805.98
  5. Step 5: Solve for x
    x = 22,411,805.98/5,874.71
  6. Step 6: Final answer
    x = 3,814.97

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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.