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Finding the Fourth Proportional to 41,624, 57,441.36 and 26,720

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Solution

The fourth proportional to 41,624, 57,441.36 and 26,720 is: 36,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,624 : 57,441.36 = 26,720 : x
  2. Step 2: Convert to fraction form
    41,624/57,441.36 = 26,720/x
  3. Step 3: Cross multiply
    41,624x = 57,441.36 × 26,720
  4. Step 4: Simplify right side
    41,624x = 1,534,833,139.20
  5. Step 5: Solve for x
    x = 1,534,833,139.20/41,624
  6. Step 6: Final answer
    x = 36,873.75

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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.