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Finding the Fourth Proportional to 48,529.74, 66,890.43 and 33,396.78

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Solution

The fourth proportional to 48,529.74, 66,890.43 and 33,396.78 is: 46,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,529.74 : 66,890.43 = 33,396.78 : x
  2. Step 2: Convert to fraction form
    48,529.74/66,890.43 = 33,396.78/x
  3. Step 3: Cross multiply
    48,529.74x = 66,890.43 × 33,396.78
  4. Step 4: Simplify right side
    48,529.74x = 2,233,924,974.82
  5. Step 5: Solve for x
    x = 2,233,924,974.82/48,529.74
  6. Step 6: Final answer
    x = 46,032.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.