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Finding the Fourth Proportional to 64,661.58, 96,866.28 and 36,496.44

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Solution

The fourth proportional to 64,661.58, 96,866.28 and 36,496.44 is: 54,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,661.58 : 96,866.28 = 36,496.44 : x
  2. Step 2: Convert to fraction form
    64,661.58/96,866.28 = 36,496.44/x
  3. Step 3: Cross multiply
    64,661.58x = 96,866.28 × 36,496.44
  4. Step 4: Simplify right side
    64,661.58x = 3,535,274,376.04
  5. Step 5: Solve for x
    x = 3,535,274,376.04/64,661.58
  6. Step 6: Final answer
    x = 54,673.49

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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.