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Finding the Fourth Proportional to 22,392.80, 33,583.20 and 6,806.24

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Solution

The fourth proportional to 22,392.80, 33,583.20 and 6,806.24 is: 10,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.80 : 33,583.20 = 6,806.24 : x
  2. Step 2: Convert to fraction form
    22,392.80/33,583.20 = 6,806.24/x
  3. Step 3: Cross multiply
    22,392.80x = 33,583.20 × 6,806.24
  4. Step 4: Simplify right side
    22,392.80x = 228,575,319.17
  5. Step 5: Solve for x
    x = 228,575,319.17/22,392.80
  6. Step 6: Final answer
    x = 10,207.54

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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.