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Finding the Fourth Proportional to 64,243.68, 96,372.72 and 17,496.96

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Solution

The fourth proportional to 64,243.68, 96,372.72 and 17,496.96 is: 26,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.68 : 96,372.72 = 17,496.96 : x
  2. Step 2: Convert to fraction form
    64,243.68/96,372.72 = 17,496.96/x
  3. Step 3: Cross multiply
    64,243.68x = 96,372.72 × 17,496.96
  4. Step 4: Simplify right side
    64,243.68x = 1,686,229,626.93
  5. Step 5: Solve for x
    x = 1,686,229,626.93/64,243.68
  6. Step 6: Final answer
    x = 26,247.40

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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.