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Finding the Fourth Proportional to 39,491.52, 54,493.56 and 22,495.80

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Solution

The fourth proportional to 39,491.52, 54,493.56 and 22,495.80 is: 31,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.52 : 54,493.56 = 22,495.80 : x
  2. Step 2: Convert to fraction form
    39,491.52/54,493.56 = 22,495.80/x
  3. Step 3: Cross multiply
    39,491.52x = 54,493.56 × 22,495.80
  4. Step 4: Simplify right side
    39,491.52x = 1,225,876,227.05
  5. Step 5: Solve for x
    x = 1,225,876,227.05/39,491.52
  6. Step 6: Final answer
    x = 31,041.51

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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.