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Finding the Fourth Proportional to 8,193.68, 12,288.12 and 2,348.72

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Solution

The fourth proportional to 8,193.68, 12,288.12 and 2,348.72 is: 3,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.68 : 12,288.12 = 2,348.72 : x
  2. Step 2: Convert to fraction form
    8,193.68/12,288.12 = 2,348.72/x
  3. Step 3: Cross multiply
    8,193.68x = 12,288.12 × 2,348.72
  4. Step 4: Simplify right side
    8,193.68x = 28,861,353.21
  5. Step 5: Solve for x
    x = 28,861,353.21/8,193.68
  6. Step 6: Final answer
    x = 3,522.39

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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.