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Finding the Fourth Proportional to 68,484.81, 94,509.04 and 41,622.31

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Solution

The fourth proportional to 68,484.81, 94,509.04 and 41,622.31 is: 57,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,484.81 : 94,509.04 = 41,622.31 : x
  2. Step 2: Convert to fraction form
    68,484.81/94,509.04 = 41,622.31/x
  3. Step 3: Cross multiply
    68,484.81x = 94,509.04 × 41,622.31
  4. Step 4: Simplify right side
    68,484.81x = 3,933,684,560.68
  5. Step 5: Solve for x
    x = 3,933,684,560.68/68,484.81
  6. Step 6: Final answer
    x = 57,438.79

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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.