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Finding the Fourth Proportional to 15,794.97, 23,687.34 and 8,395.20

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Solution

The fourth proportional to 15,794.97, 23,687.34 and 8,395.20 is: 12,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.97 : 23,687.34 = 8,395.20 : x
  2. Step 2: Convert to fraction form
    15,794.97/23,687.34 = 8,395.20/x
  3. Step 3: Cross multiply
    15,794.97x = 23,687.34 × 8,395.20
  4. Step 4: Simplify right side
    15,794.97x = 198,859,956.77
  5. Step 5: Solve for x
    x = 198,859,956.77/15,794.97
  6. Step 6: Final answer
    x = 12,590.08

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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.