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Finding the Fourth Proportional to 17,831.74, 24,607.92 and 9,874.48

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Solution

The fourth proportional to 17,831.74, 24,607.92 and 9,874.48 is: 13,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.74 : 24,607.92 = 9,874.48 : x
  2. Step 2: Convert to fraction form
    17,831.74/24,607.92 = 9,874.48/x
  3. Step 3: Cross multiply
    17,831.74x = 24,607.92 × 9,874.48
  4. Step 4: Simplify right side
    17,831.74x = 242,990,413.88
  5. Step 5: Solve for x
    x = 242,990,413.88/17,831.74
  6. Step 6: Final answer
    x = 13,626.85

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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.