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Finding the Fourth Proportional to 69,477.84, 95,883.15 and 39,264.44

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Solution

The fourth proportional to 69,477.84, 95,883.15 and 39,264.44 is: 54,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,477.84 : 95,883.15 = 39,264.44 : x
  2. Step 2: Convert to fraction form
    69,477.84/95,883.15 = 39,264.44/x
  3. Step 3: Cross multiply
    69,477.84x = 95,883.15 × 39,264.44
  4. Step 4: Simplify right side
    69,477.84x = 3,764,797,710.77
  5. Step 5: Solve for x
    x = 3,764,797,710.77/69,477.84
  6. Step 6: Final answer
    x = 54,187.03

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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.