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Finding the Fourth Proportional to 26,922.72, 40,384.08 and 8,202.72

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Solution

The fourth proportional to 26,922.72, 40,384.08 and 8,202.72 is: 12,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.72 : 40,384.08 = 8,202.72 : x
  2. Step 2: Convert to fraction form
    26,922.72/40,384.08 = 8,202.72/x
  3. Step 3: Cross multiply
    26,922.72x = 40,384.08 × 8,202.72
  4. Step 4: Simplify right side
    26,922.72x = 331,259,300.70
  5. Step 5: Solve for x
    x = 331,259,300.70/26,922.72
  6. Step 6: Final answer
    x = 12,304.08

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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.