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Finding the Fourth Proportional to 15,268.62, 22,895.82 and 8,945.40

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Solution

The fourth proportional to 15,268.62, 22,895.82 and 8,945.40 is: 13,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.62 : 22,895.82 = 8,945.40 : x
  2. Step 2: Convert to fraction form
    15,268.62/22,895.82 = 8,945.40/x
  3. Step 3: Cross multiply
    15,268.62x = 22,895.82 × 8,945.40
  4. Step 4: Simplify right side
    15,268.62x = 204,812,268.23
  5. Step 5: Solve for x
    x = 204,812,268.23/15,268.62
  6. Step 6: Final answer
    x = 13,413.93

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Why These Related Problems?

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