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Finding the Fourth Proportional to 5,881.53, 8,815.33 and 2,587.74

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Solution

The fourth proportional to 5,881.53, 8,815.33 and 2,587.74 is: 3,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.53 : 8,815.33 = 2,587.74 : x
  2. Step 2: Convert to fraction form
    5,881.53/8,815.33 = 2,587.74/x
  3. Step 3: Cross multiply
    5,881.53x = 8,815.33 × 2,587.74
  4. Step 4: Simplify right side
    5,881.53x = 22,811,782.05
  5. Step 5: Solve for x
    x = 22,811,782.05/5,881.53
  6. Step 6: Final answer
    x = 3,878.55

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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.