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Finding the Fourth Proportional to 64,248.91, 96,372.79 and 50,220.73

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Solution

The fourth proportional to 64,248.91, 96,372.79 and 50,220.73 is: 75,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,248.91 : 96,372.79 = 50,220.73 : x
  2. Step 2: Convert to fraction form
    64,248.91/96,372.79 = 50,220.73/x
  3. Step 3: Cross multiply
    64,248.91x = 96,372.79 × 50,220.73
  4. Step 4: Simplify right side
    64,248.91x = 4,839,911,865.94
  5. Step 5: Solve for x
    x = 4,839,911,865.94/64,248.91
  6. Step 6: Final answer
    x = 75,330.65

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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.