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Finding the Fourth Proportional to 8,166.34, 12,251.04 and 2,621.08

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Solution

The fourth proportional to 8,166.34, 12,251.04 and 2,621.08 is: 3,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.34 : 12,251.04 = 2,621.08 : x
  2. Step 2: Convert to fraction form
    8,166.34/12,251.04 = 2,621.08/x
  3. Step 3: Cross multiply
    8,166.34x = 12,251.04 × 2,621.08
  4. Step 4: Simplify right side
    8,166.34x = 32,110,955.92
  5. Step 5: Solve for x
    x = 32,110,955.92/8,166.34
  6. Step 6: Final answer
    x = 3,932.11

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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.