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Finding the Fourth Proportional to 17,795.84, 26,695.17 and 5,314.95

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Solution

The fourth proportional to 17,795.84, 26,695.17 and 5,314.95 is: 7,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,795.84 : 26,695.17 = 5,314.95 : x
  2. Step 2: Convert to fraction form
    17,795.84/26,695.17 = 5,314.95/x
  3. Step 3: Cross multiply
    17,795.84x = 26,695.17 × 5,314.95
  4. Step 4: Simplify right side
    17,795.84x = 141,883,493.79
  5. Step 5: Solve for x
    x = 141,883,493.79/17,795.84
  6. Step 6: Final answer
    x = 7,972.85

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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.