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Finding the Fourth Proportional to 5,878.62, 8,817.96 and 1,983.06

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Solution

The fourth proportional to 5,878.62, 8,817.96 and 1,983.06 is: 2,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.62 : 8,817.96 = 1,983.06 : x
  2. Step 2: Convert to fraction form
    5,878.62/8,817.96 = 1,983.06/x
  3. Step 3: Cross multiply
    5,878.62x = 8,817.96 × 1,983.06
  4. Step 4: Simplify right side
    5,878.62x = 17,486,543.76
  5. Step 5: Solve for x
    x = 17,486,543.76/5,878.62
  6. Step 6: Final answer
    x = 2,974.60

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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.