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Finding the Fourth Proportional to 64,652.32, 96,938.74 and 25,163.44

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Solution

The fourth proportional to 64,652.32, 96,938.74 and 25,163.44 is: 37,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,652.32 : 96,938.74 = 25,163.44 : x
  2. Step 2: Convert to fraction form
    64,652.32/96,938.74 = 25,163.44/x
  3. Step 3: Cross multiply
    64,652.32x = 96,938.74 × 25,163.44
  4. Step 4: Simplify right side
    64,652.32x = 2,439,312,167.67
  5. Step 5: Solve for x
    x = 2,439,312,167.67/64,652.32
  6. Step 6: Final answer
    x = 37,729.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.