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Finding the Fourth Proportional to 17,055.53, 25,594.18 and 8,285.66

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Solution

The fourth proportional to 17,055.53, 25,594.18 and 8,285.66 is: 12,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,055.53 : 25,594.18 = 8,285.66 : x
  2. Step 2: Convert to fraction form
    17,055.53/25,594.18 = 8,285.66/x
  3. Step 3: Cross multiply
    17,055.53x = 25,594.18 × 8,285.66
  4. Step 4: Simplify right side
    17,055.53x = 212,064,620.75
  5. Step 5: Solve for x
    x = 212,064,620.75/17,055.53
  6. Step 6: Final answer
    x = 12,433.78

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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.