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Finding the Fourth Proportional to 17,101.70, 25,630.95 and 8,317.70

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Solution

The fourth proportional to 17,101.70, 25,630.95 and 8,317.70 is: 12,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.70 : 25,630.95 = 8,317.70 : x
  2. Step 2: Convert to fraction form
    17,101.70/25,630.95 = 8,317.70/x
  3. Step 3: Cross multiply
    17,101.70x = 25,630.95 × 8,317.70
  4. Step 4: Simplify right side
    17,101.70x = 213,190,552.82
  5. Step 5: Solve for x
    x = 213,190,552.82/17,101.70
  6. Step 6: Final answer
    x = 12,466.04

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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.