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Finding the Fourth Proportional to 17,645.66, 24,351.67 and 9,688.62

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Solution

The fourth proportional to 17,645.66, 24,351.67 and 9,688.62 is: 13,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.66 : 24,351.67 = 9,688.62 : x
  2. Step 2: Convert to fraction form
    17,645.66/24,351.67 = 9,688.62/x
  3. Step 3: Cross multiply
    17,645.66x = 24,351.67 × 9,688.62
  4. Step 4: Simplify right side
    17,645.66x = 235,934,077.00
  5. Step 5: Solve for x
    x = 235,934,077.00/17,645.66
  6. Step 6: Final answer
    x = 13,370.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.