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Finding the Fourth Proportional to 22,476.49, 33,729.78 and 9,328.86

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Solution

The fourth proportional to 22,476.49, 33,729.78 and 9,328.86 is: 13,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.49 : 33,729.78 = 9,328.86 : x
  2. Step 2: Convert to fraction form
    22,476.49/33,729.78 = 9,328.86/x
  3. Step 3: Cross multiply
    22,476.49x = 33,729.78 × 9,328.86
  4. Step 4: Simplify right side
    22,476.49x = 314,660,395.45
  5. Step 5: Solve for x
    x = 314,660,395.45/22,476.49
  6. Step 6: Final answer
    x = 13,999.53

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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.