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Finding the Fourth Proportional to 63,956.88, 95,920.74 and 17,213.40

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Solution

The fourth proportional to 63,956.88, 95,920.74 and 17,213.40 is: 25,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,956.88 : 95,920.74 = 17,213.40 : x
  2. Step 2: Convert to fraction form
    63,956.88/95,920.74 = 17,213.40/x
  3. Step 3: Cross multiply
    63,956.88x = 95,920.74 × 17,213.40
  4. Step 4: Simplify right side
    63,956.88x = 1,651,122,065.92
  5. Step 5: Solve for x
    x = 1,651,122,065.92/63,956.88
  6. Step 6: Final answer
    x = 25,816.18

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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.