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Finding the Fourth Proportional to 64,351.78, 96,396.27 and 33,121.42

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Solution

The fourth proportional to 64,351.78, 96,396.27 and 33,121.42 is: 49,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,351.78 : 96,396.27 = 33,121.42 : x
  2. Step 2: Convert to fraction form
    64,351.78/96,396.27 = 33,121.42/x
  3. Step 3: Cross multiply
    64,351.78x = 96,396.27 × 33,121.42
  4. Step 4: Simplify right side
    64,351.78x = 3,192,781,345.10
  5. Step 5: Solve for x
    x = 3,192,781,345.10/64,351.78
  6. Step 6: Final answer
    x = 49,614.50

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1.5x scale

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.