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Finding the Fourth Proportional to 49,008, 67,631.28 and 26,652

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Solution

The fourth proportional to 49,008, 67,631.28 and 26,652 is: 36,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,008 : 67,631.28 = 26,652 : x
  2. Step 2: Convert to fraction form
    49,008/67,631.28 = 26,652/x
  3. Step 3: Cross multiply
    49,008x = 67,631.28 × 26,652
  4. Step 4: Simplify right side
    49,008x = 1,802,508,874.56
  5. Step 5: Solve for x
    x = 1,802,508,874.56/49,008
  6. Step 6: Final answer
    x = 36,779.89

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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.