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Finding the Fourth Proportional to 49,508.66, 68,348.49 and 38,236.49

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Solution

The fourth proportional to 49,508.66, 68,348.49 and 38,236.49 is: 52,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,508.66 : 68,348.49 = 38,236.49 : x
  2. Step 2: Convert to fraction form
    49,508.66/68,348.49 = 38,236.49/x
  3. Step 3: Cross multiply
    49,508.66x = 68,348.49 × 38,236.49
  4. Step 4: Simplify right side
    49,508.66x = 2,613,406,354.40
  5. Step 5: Solve for x
    x = 2,613,406,354.40/49,508.66
  6. Step 6: Final answer
    x = 52,786.85

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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.