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Finding the Fourth Proportional to 7,193.76, 10,788.50 and 3,242.73

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Solution

The fourth proportional to 7,193.76, 10,788.50 and 3,242.73 is: 4,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.76 : 10,788.50 = 3,242.73 : x
  2. Step 2: Convert to fraction form
    7,193.76/10,788.50 = 3,242.73/x
  3. Step 3: Cross multiply
    7,193.76x = 10,788.50 × 3,242.73
  4. Step 4: Simplify right side
    7,193.76x = 34,984,241.17
  5. Step 5: Solve for x
    x = 34,984,241.17/7,193.76
  6. Step 6: Final answer
    x = 4,863.14

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1.5x scale

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.