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Finding the Fourth Proportional to 22,375.77, 33,542.70 and 7,574.33

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Solution

The fourth proportional to 22,375.77, 33,542.70 and 7,574.33 is: 11,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.77 : 33,542.70 = 7,574.33 : x
  2. Step 2: Convert to fraction form
    22,375.77/33,542.70 = 7,574.33/x
  3. Step 3: Cross multiply
    22,375.77x = 33,542.70 × 7,574.33
  4. Step 4: Simplify right side
    22,375.77x = 254,063,478.89
  5. Step 5: Solve for x
    x = 254,063,478.89/22,375.77
  6. Step 6: Final answer
    x = 11,354.40

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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.