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Finding the Fourth Proportional to 40,477.70, 61,028.01 and 39,751.94

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Solution

The fourth proportional to 40,477.70, 61,028.01 and 39,751.94 is: 59,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,477.70 : 61,028.01 = 39,751.94 : x
  2. Step 2: Convert to fraction form
    40,477.70/61,028.01 = 39,751.94/x
  3. Step 3: Cross multiply
    40,477.70x = 61,028.01 × 39,751.94
  4. Step 4: Simplify right side
    40,477.70x = 2,425,981,791.84
  5. Step 5: Solve for x
    x = 2,425,981,791.84/40,477.70
  6. Step 6: Final answer
    x = 59,933.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.