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Finding the Fourth Proportional to 15,306.72, 22,963.92 and 7,413.01

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Solution

The fourth proportional to 15,306.72, 22,963.92 and 7,413.01 is: 11,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306.72 : 22,963.92 = 7,413.01 : x
  2. Step 2: Convert to fraction form
    15,306.72/22,963.92 = 7,413.01/x
  3. Step 3: Cross multiply
    15,306.72x = 22,963.92 × 7,413.01
  4. Step 4: Simplify right side
    15,306.72x = 170,231,768.60
  5. Step 5: Solve for x
    x = 170,231,768.60/15,306.72
  6. Step 6: Final answer
    x = 11,121.37

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1.5x scale

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.