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Finding the Fourth Proportional to 17,603.40, 26,407.86 and 5,913.96

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Solution

The fourth proportional to 17,603.40, 26,407.86 and 5,913.96 is: 8,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.40 : 26,407.86 = 5,913.96 : x
  2. Step 2: Convert to fraction form
    17,603.40/26,407.86 = 5,913.96/x
  3. Step 3: Cross multiply
    17,603.40x = 26,407.86 × 5,913.96
  4. Step 4: Simplify right side
    17,603.40x = 156,175,027.73
  5. Step 5: Solve for x
    x = 156,175,027.73/17,603.40
  6. Step 6: Final answer
    x = 8,871.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.