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Finding the Fourth Proportional to 8,351.92, 12,528.12 and 2,196.08

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Solution

The fourth proportional to 8,351.92, 12,528.12 and 2,196.08 is: 3,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.92 : 12,528.12 = 2,196.08 : x
  2. Step 2: Convert to fraction form
    8,351.92/12,528.12 = 2,196.08/x
  3. Step 3: Cross multiply
    8,351.92x = 12,528.12 × 2,196.08
  4. Step 4: Simplify right side
    8,351.92x = 27,512,753.77
  5. Step 5: Solve for x
    x = 27,512,753.77/8,351.92
  6. Step 6: Final answer
    x = 3,294.18

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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.