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Finding the Fourth Proportional to 22,991.91, 34,489.08 and 9,831.03

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Solution

The fourth proportional to 22,991.91, 34,489.08 and 9,831.03 is: 14,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.91 : 34,489.08 = 9,831.03 : x
  2. Step 2: Convert to fraction form
    22,991.91/34,489.08 = 9,831.03/x
  3. Step 3: Cross multiply
    22,991.91x = 34,489.08 × 9,831.03
  4. Step 4: Simplify right side
    22,991.91x = 339,063,180.15
  5. Step 5: Solve for x
    x = 339,063,180.15/22,991.91
  6. Step 6: Final answer
    x = 14,747.06

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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.