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Finding the Fourth Proportional to 23,808.72, 35,691.20 and 12,723.06

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Solution

The fourth proportional to 23,808.72, 35,691.20 and 12,723.06 is: 19,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,808.72 : 35,691.20 = 12,723.06 : x
  2. Step 2: Convert to fraction form
    23,808.72/35,691.20 = 12,723.06/x
  3. Step 3: Cross multiply
    23,808.72x = 35,691.20 × 12,723.06
  4. Step 4: Simplify right side
    23,808.72x = 454,101,279.07
  5. Step 5: Solve for x
    x = 454,101,279.07/23,808.72
  6. Step 6: Final answer
    x = 19,072.90

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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.