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Finding the Fourth Proportional to 33,224.80, 49,837.20 and 17,672.80

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Solution

The fourth proportional to 33,224.80, 49,837.20 and 17,672.80 is: 26,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,224.80 : 49,837.20 = 17,672.80 : x
  2. Step 2: Convert to fraction form
    33,224.80/49,837.20 = 17,672.80/x
  3. Step 3: Cross multiply
    33,224.80x = 49,837.20 × 17,672.80
  4. Step 4: Simplify right side
    33,224.80x = 880,762,868.16
  5. Step 5: Solve for x
    x = 880,762,868.16/33,224.80
  6. Step 6: Final answer
    x = 26,509.20

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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.