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Finding the Fourth Proportional to 39,296.48, 54,256.30 and 36,786.90

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Solution

The fourth proportional to 39,296.48, 54,256.30 and 36,786.90 is: 50,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,296.48 : 54,256.30 = 36,786.90 : x
  2. Step 2: Convert to fraction form
    39,296.48/54,256.30 = 36,786.90/x
  3. Step 3: Cross multiply
    39,296.48x = 54,256.30 × 36,786.90
  4. Step 4: Simplify right side
    39,296.48x = 1,995,921,082.47
  5. Step 5: Solve for x
    x = 1,995,921,082.47/39,296.48
  6. Step 6: Final answer
    x = 50,791.35

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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.