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Finding the Fourth Proportional to 17,166.60, 25,746.66 and 8,396.04

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Solution

The fourth proportional to 17,166.60, 25,746.66 and 8,396.04 is: 12,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.60 : 25,746.66 = 8,396.04 : x
  2. Step 2: Convert to fraction form
    17,166.60/25,746.66 = 8,396.04/x
  3. Step 3: Cross multiply
    17,166.60x = 25,746.66 × 8,396.04
  4. Step 4: Simplify right side
    17,166.60x = 216,169,987.23
  5. Step 5: Solve for x
    x = 216,169,987.23/17,166.60
  6. Step 6: Final answer
    x = 12,592.48

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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.