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Finding the Fourth Proportional to 5,877.20, 8,819.28 and 2,368.89

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Solution

The fourth proportional to 5,877.20, 8,819.28 and 2,368.89 is: 3,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.20 : 8,819.28 = 2,368.89 : x
  2. Step 2: Convert to fraction form
    5,877.20/8,819.28 = 2,368.89/x
  3. Step 3: Cross multiply
    5,877.20x = 8,819.28 × 2,368.89
  4. Step 4: Simplify right side
    5,877.20x = 20,891,904.20
  5. Step 5: Solve for x
    x = 20,891,904.20/5,877.20
  6. Step 6: Final answer
    x = 3,554.74

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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.