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Finding the Fourth Proportional to 17,381.70, 26,066.15 and 5,695.30

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Solution

The fourth proportional to 17,381.70, 26,066.15 and 5,695.30 is: 8,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.70 : 26,066.15 = 5,695.30 : x
  2. Step 2: Convert to fraction form
    17,381.70/26,066.15 = 5,695.30/x
  3. Step 3: Cross multiply
    17,381.70x = 26,066.15 × 5,695.30
  4. Step 4: Simplify right side
    17,381.70x = 148,454,544.10
  5. Step 5: Solve for x
    x = 148,454,544.10/17,381.70
  6. Step 6: Final answer
    x = 8,540.85

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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.