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Finding the Fourth Proportional to 27,079.96, 40,621.02 and 8,358.34

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Solution

The fourth proportional to 27,079.96, 40,621.02 and 8,358.34 is: 12,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.96 : 40,621.02 = 8,358.34 : x
  2. Step 2: Convert to fraction form
    27,079.96/40,621.02 = 8,358.34/x
  3. Step 3: Cross multiply
    27,079.96x = 40,621.02 × 8,358.34
  4. Step 4: Simplify right side
    27,079.96x = 339,524,296.31
  5. Step 5: Solve for x
    x = 339,524,296.31/27,079.96
  6. Step 6: Final answer
    x = 12,537.84

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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.