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Finding the Fourth Proportional to 64,624.38, 96,943.52 and 27,188.26

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Solution

The fourth proportional to 64,624.38, 96,943.52 and 27,188.26 is: 40,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,624.38 : 96,943.52 = 27,188.26 : x
  2. Step 2: Convert to fraction form
    64,624.38/96,943.52 = 27,188.26/x
  3. Step 3: Cross multiply
    64,624.38x = 96,943.52 × 27,188.26
  4. Step 4: Simplify right side
    64,624.38x = 2,635,725,627.08
  5. Step 5: Solve for x
    x = 2,635,725,627.08/64,624.38
  6. Step 6: Final answer
    x = 40,785.31

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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.