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Finding the Fourth Proportional to 17,207.30, 25,821.88 and 7,346.66

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Solution

The fourth proportional to 17,207.30, 25,821.88 and 7,346.66 is: 11,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.30 : 25,821.88 = 7,346.66 : x
  2. Step 2: Convert to fraction form
    17,207.30/25,821.88 = 7,346.66/x
  3. Step 3: Cross multiply
    17,207.30x = 25,821.88 × 7,346.66
  4. Step 4: Simplify right side
    17,207.30x = 189,704,425.44
  5. Step 5: Solve for x
    x = 189,704,425.44/17,207.30
  6. Step 6: Final answer
    x = 11,024.65

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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.