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Finding the Fourth Proportional to 6,625.60, 9,938.08 and 4,023.08

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Solution

The fourth proportional to 6,625.60, 9,938.08 and 4,023.08 is: 6,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.60 : 9,938.08 = 4,023.08 : x
  2. Step 2: Convert to fraction form
    6,625.60/9,938.08 = 4,023.08/x
  3. Step 3: Cross multiply
    6,625.60x = 9,938.08 × 4,023.08
  4. Step 4: Simplify right side
    6,625.60x = 39,981,690.89
  5. Step 5: Solve for x
    x = 39,981,690.89/6,625.60
  6. Step 6: Final answer
    x = 6,034.43

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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.