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Finding the Fourth Proportional to 64,243.46, 96,224.85 and 26,689.67

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Solution

The fourth proportional to 64,243.46, 96,224.85 and 26,689.67 is: 39,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.46 : 96,224.85 = 26,689.67 : x
  2. Step 2: Convert to fraction form
    64,243.46/96,224.85 = 26,689.67/x
  3. Step 3: Cross multiply
    64,243.46x = 96,224.85 × 26,689.67
  4. Step 4: Simplify right side
    64,243.46x = 2,568,209,799.59
  5. Step 5: Solve for x
    x = 2,568,209,799.59/64,243.46
  6. Step 6: Final answer
    x = 39,976.20

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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.