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Finding the Fourth Proportional to 39,672.52, 54,751.07 and 22,677.44

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Solution

The fourth proportional to 39,672.52, 54,751.07 and 22,677.44 is: 31,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.52 : 54,751.07 = 22,677.44 : x
  2. Step 2: Convert to fraction form
    39,672.52/54,751.07 = 22,677.44/x
  3. Step 3: Cross multiply
    39,672.52x = 54,751.07 × 22,677.44
  4. Step 4: Simplify right side
    39,672.52x = 1,241,613,887.80
  5. Step 5: Solve for x
    x = 1,241,613,887.80/39,672.52
  6. Step 6: Final answer
    x = 31,296.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.