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Finding the Fourth Proportional to 64,653.52, 89,171.26 and 44,247.68

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Solution

The fourth proportional to 64,653.52, 89,171.26 and 44,247.68 is: 61,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653.52 : 89,171.26 = 44,247.68 : x
  2. Step 2: Convert to fraction form
    64,653.52/89,171.26 = 44,247.68/x
  3. Step 3: Cross multiply
    64,653.52x = 89,171.26 × 44,247.68
  4. Step 4: Simplify right side
    64,653.52x = 3,945,621,377.68
  5. Step 5: Solve for x
    x = 3,945,621,377.68/64,653.52
  6. Step 6: Final answer
    x = 61,027.17

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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.