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Finding the Fourth Proportional to 5,877.90, 8,819.15 and 2,588.68

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Solution

The fourth proportional to 5,877.90, 8,819.15 and 2,588.68 is: 3,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.90 : 8,819.15 = 2,588.68 : x
  2. Step 2: Convert to fraction form
    5,877.90/8,819.15 = 2,588.68/x
  3. Step 3: Cross multiply
    5,877.90x = 8,819.15 × 2,588.68
  4. Step 4: Simplify right side
    5,877.90x = 22,829,957.22
  5. Step 5: Solve for x
    x = 22,829,957.22/5,877.90
  6. Step 6: Final answer
    x = 3,884.03

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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.