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Finding the Fourth Proportional to 7,193.63, 10,788.31 and 3,242.61

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Solution

The fourth proportional to 7,193.63, 10,788.31 and 3,242.61 is: 4,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.63 : 10,788.31 = 3,242.61 : x
  2. Step 2: Convert to fraction form
    7,193.63/10,788.31 = 3,242.61/x
  3. Step 3: Cross multiply
    7,193.63x = 10,788.31 × 3,242.61
  4. Step 4: Simplify right side
    7,193.63x = 34,982,281.89
  5. Step 5: Solve for x
    x = 34,982,281.89/7,193.63
  6. Step 6: Final answer
    x = 4,862.95

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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.