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Finding the Fourth Proportional to 22,139.46, 33,195.42 and 7,344.54

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Solution

The fourth proportional to 22,139.46, 33,195.42 and 7,344.54 is: 11,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.46 : 33,195.42 = 7,344.54 : x
  2. Step 2: Convert to fraction form
    22,139.46/33,195.42 = 7,344.54/x
  3. Step 3: Cross multiply
    22,139.46x = 33,195.42 × 7,344.54
  4. Step 4: Simplify right side
    22,139.46x = 243,805,090.01
  5. Step 5: Solve for x
    x = 243,805,090.01/22,139.46
  6. Step 6: Final answer
    x = 11,012.24

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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.