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Finding the Fourth Proportional to 64,287.77, 96,437.99 and 22,162.31

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Solution

The fourth proportional to 64,287.77, 96,437.99 and 22,162.31 is: 33,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,287.77 : 96,437.99 = 22,162.31 : x
  2. Step 2: Convert to fraction form
    64,287.77/96,437.99 = 22,162.31/x
  3. Step 3: Cross multiply
    64,287.77x = 96,437.99 × 22,162.31
  4. Step 4: Simplify right side
    64,287.77x = 2,137,288,630.16
  5. Step 5: Solve for x
    x = 2,137,288,630.16/64,287.77
  6. Step 6: Final answer
    x = 33,245.65

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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.