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Finding the Fourth Proportional to 16,413.30, 22,648.86 and 9,337.86

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Solution

The fourth proportional to 16,413.30, 22,648.86 and 9,337.86 is: 12,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,413.30 : 22,648.86 = 9,337.86 : x
  2. Step 2: Convert to fraction form
    16,413.30/22,648.86 = 9,337.86/x
  3. Step 3: Cross multiply
    16,413.30x = 22,648.86 × 9,337.86
  4. Step 4: Simplify right side
    16,413.30x = 211,491,883.84
  5. Step 5: Solve for x
    x = 211,491,883.84/16,413.30
  6. Step 6: Final answer
    x = 12,885.40

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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.