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Finding the Fourth Proportional to 5,876.70, 8,829.45 and 4,418.70

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Solution

The fourth proportional to 5,876.70, 8,829.45 and 4,418.70 is: 6,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.70 : 8,829.45 = 4,418.70 : x
  2. Step 2: Convert to fraction form
    5,876.70/8,829.45 = 4,418.70/x
  3. Step 3: Cross multiply
    5,876.70x = 8,829.45 × 4,418.70
  4. Step 4: Simplify right side
    5,876.70x = 39,014,690.72
  5. Step 5: Solve for x
    x = 39,014,690.72/5,876.70
  6. Step 6: Final answer
    x = 6,638.88

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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.