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Finding the Fourth Proportional to 64,674, 89,236.68 and 37,811.24

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Solution

The fourth proportional to 64,674, 89,236.68 and 37,811.24 is: 52,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,674 : 89,236.68 = 37,811.24 : x
  2. Step 2: Convert to fraction form
    64,674/89,236.68 = 37,811.24/x
  3. Step 3: Cross multiply
    64,674x = 89,236.68 × 37,811.24
  4. Step 4: Simplify right side
    64,674x = 3,374,149,524.28
  5. Step 5: Solve for x
    x = 3,374,149,524.28/64,674
  6. Step 6: Final answer
    x = 52,171.65

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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.