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Finding the Fourth Proportional to 17,663.86, 24,376.02 and 9,705.90

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Solution

The fourth proportional to 17,663.86, 24,376.02 and 9,705.90 is: 13,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,663.86 : 24,376.02 = 9,705.90 : x
  2. Step 2: Convert to fraction form
    17,663.86/24,376.02 = 9,705.90/x
  3. Step 3: Cross multiply
    17,663.86x = 24,376.02 × 9,705.90
  4. Step 4: Simplify right side
    17,663.86x = 236,591,212.52
  5. Step 5: Solve for x
    x = 236,591,212.52/17,663.86
  6. Step 6: Final answer
    x = 13,394.08

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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.