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Finding the Fourth Proportional to 21,843.01, 32,760.33 and 7,048.36

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Solution

The fourth proportional to 21,843.01, 32,760.33 and 7,048.36 is: 10,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843.01 : 32,760.33 = 7,048.36 : x
  2. Step 2: Convert to fraction form
    21,843.01/32,760.33 = 7,048.36/x
  3. Step 3: Cross multiply
    21,843.01x = 32,760.33 × 7,048.36
  4. Step 4: Simplify right side
    21,843.01x = 230,906,599.56
  5. Step 5: Solve for x
    x = 230,906,599.56/21,843.01
  6. Step 6: Final answer
    x = 10,571.19

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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.