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Finding the Fourth Proportional to 64,054.78, 96,081.81 and 21,935.23

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Solution

The fourth proportional to 64,054.78, 96,081.81 and 21,935.23 is: 32,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,054.78 : 96,081.81 = 21,935.23 : x
  2. Step 2: Convert to fraction form
    64,054.78/96,081.81 = 21,935.23/x
  3. Step 3: Cross multiply
    64,054.78x = 96,081.81 × 21,935.23
  4. Step 4: Simplify right side
    64,054.78x = 2,107,576,601.17
  5. Step 5: Solve for x
    x = 2,107,576,601.17/64,054.78
  6. Step 6: Final answer
    x = 32,902.72

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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.