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Finding the Fourth Proportional to 5,083.88, 7,631.26 and 4,502.48

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Solution

The fourth proportional to 5,083.88, 7,631.26 and 4,502.48 is: 6,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.88 : 7,631.26 = 4,502.48 : x
  2. Step 2: Convert to fraction form
    5,083.88/7,631.26 = 4,502.48/x
  3. Step 3: Cross multiply
    5,083.88x = 7,631.26 × 4,502.48
  4. Step 4: Simplify right side
    5,083.88x = 34,359,595.52
  5. Step 5: Solve for x
    x = 34,359,595.52/5,083.88
  6. Step 6: Final answer
    x = 6,758.54

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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.