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Finding the Fourth Proportional to 16,413.63, 22,651.01 and 9,340.71

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Solution

The fourth proportional to 16,413.63, 22,651.01 and 9,340.71 is: 12,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,413.63 : 22,651.01 = 9,340.71 : x
  2. Step 2: Convert to fraction form
    16,413.63/22,651.01 = 9,340.71/x
  3. Step 3: Cross multiply
    16,413.63x = 22,651.01 × 9,340.71
  4. Step 4: Simplify right side
    16,413.63x = 211,576,515.62
  5. Step 5: Solve for x
    x = 211,576,515.62/16,413.63
  6. Step 6: Final answer
    x = 12,890.29

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1.5x scale

Why These Related Problems?

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