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Finding the Fourth Proportional to 68,589.02, 94,656.52 and 38,372.54

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Solution

The fourth proportional to 68,589.02, 94,656.52 and 38,372.54 is: 52,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,589.02 : 94,656.52 = 38,372.54 : x
  2. Step 2: Convert to fraction form
    68,589.02/94,656.52 = 38,372.54/x
  3. Step 3: Cross multiply
    68,589.02x = 94,656.52 × 38,372.54
  4. Step 4: Simplify right side
    68,589.02x = 3,632,210,626.68
  5. Step 5: Solve for x
    x = 3,632,210,626.68/68,589.02
  6. Step 6: Final answer
    x = 52,956.16

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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.