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Finding the Fourth Proportional to 5,915.67, 8,869.10 and 2,793.90

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Solution

The fourth proportional to 5,915.67, 8,869.10 and 2,793.90 is: 4,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.67 : 8,869.10 = 2,793.90 : x
  2. Step 2: Convert to fraction form
    5,915.67/8,869.10 = 2,793.90/x
  3. Step 3: Cross multiply
    5,915.67x = 8,869.10 × 2,793.90
  4. Step 4: Simplify right side
    5,915.67x = 24,779,378.49
  5. Step 5: Solve for x
    x = 24,779,378.49/5,915.67
  6. Step 6: Final answer
    x = 4,188.77

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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.