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Finding the Fourth Proportional to 72,571.74, 108,853.75 and 22,646.12

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Solution

The fourth proportional to 72,571.74, 108,853.75 and 22,646.12 is: 33,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,571.74 : 108,853.75 = 22,646.12 : x
  2. Step 2: Convert to fraction form
    72,571.74/108,853.75 = 22,646.12/x
  3. Step 3: Cross multiply
    72,571.74x = 108,853.75 × 22,646.12
  4. Step 4: Simplify right side
    72,571.74x = 2,465,114,568.99
  5. Step 5: Solve for x
    x = 2,465,114,568.99/72,571.74
  6. Step 6: Final answer
    x = 33,967.97

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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.