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Finding the Fourth Proportional to 64,474.38, 96,712.83 and 22,355.82

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Solution

The fourth proportional to 64,474.38, 96,712.83 and 22,355.82 is: 33,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,474.38 : 96,712.83 = 22,355.82 : x
  2. Step 2: Convert to fraction form
    64,474.38/96,712.83 = 22,355.82/x
  3. Step 3: Cross multiply
    64,474.38x = 96,712.83 × 22,355.82
  4. Step 4: Simplify right side
    64,474.38x = 2,162,094,619.17
  5. Step 5: Solve for x
    x = 2,162,094,619.17/64,474.38
  6. Step 6: Final answer
    x = 33,534.17

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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.