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Finding the Fourth Proportional to 69,509.53, 95,927.29 and 39,297.66

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Solution

The fourth proportional to 69,509.53, 95,927.29 and 39,297.66 is: 54,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,509.53 : 95,927.29 = 39,297.66 : x
  2. Step 2: Convert to fraction form
    69,509.53/95,927.29 = 39,297.66/x
  3. Step 3: Cross multiply
    69,509.53x = 95,927.29 × 39,297.66
  4. Step 4: Simplify right side
    69,509.53x = 3,769,717,928.90
  5. Step 5: Solve for x
    x = 3,769,717,928.90/69,509.53
  6. Step 6: Final answer
    x = 54,233.11

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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.