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Finding the Fourth Proportional to 17,642.92, 24,347.74 and 9,685.66

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Solution

The fourth proportional to 17,642.92, 24,347.74 and 9,685.66 is: 13,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,642.92 : 24,347.74 = 9,685.66 : x
  2. Step 2: Convert to fraction form
    17,642.92/24,347.74 = 9,685.66/x
  3. Step 3: Cross multiply
    17,642.92x = 24,347.74 × 9,685.66
  4. Step 4: Simplify right side
    17,642.92x = 235,823,931.41
  5. Step 5: Solve for x
    x = 235,823,931.41/17,642.92
  6. Step 6: Final answer
    x = 13,366.49

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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.