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Finding the Fourth Proportional to 33,125.05, 49,687.62 and 8,165.71

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Solution

The fourth proportional to 33,125.05, 49,687.62 and 8,165.71 is: 12,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.05 : 49,687.62 = 8,165.71 : x
  2. Step 2: Convert to fraction form
    33,125.05/49,687.62 = 8,165.71/x
  3. Step 3: Cross multiply
    33,125.05x = 49,687.62 × 8,165.71
  4. Step 4: Simplify right side
    33,125.05x = 405,734,695.51
  5. Step 5: Solve for x
    x = 405,734,695.51/33,125.05
  6. Step 6: Final answer
    x = 12,248.58

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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.