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Finding the Fourth Proportional to 22,650.80, 33,976.20 and 7,068.44

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Solution

The fourth proportional to 22,650.80, 33,976.20 and 7,068.44 is: 10,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.80 : 33,976.20 = 7,068.44 : x
  2. Step 2: Convert to fraction form
    22,650.80/33,976.20 = 7,068.44/x
  3. Step 3: Cross multiply
    22,650.80x = 33,976.20 × 7,068.44
  4. Step 4: Simplify right side
    22,650.80x = 240,158,731.13
  5. Step 5: Solve for x
    x = 240,158,731.13/22,650.80
  6. Step 6: Final answer
    x = 10,602.66

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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.