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Finding the Fourth Proportional to 60,928.92, 91,395.18 and 16,555.44

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Solution

The fourth proportional to 60,928.92, 91,395.18 and 16,555.44 is: 24,833.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,928.92 : 91,395.18 = 16,555.44 : x
  2. Step 2: Convert to fraction form
    60,928.92/91,395.18 = 16,555.44/x
  3. Step 3: Cross multiply
    60,928.92x = 91,395.18 × 16,555.44
  4. Step 4: Simplify right side
    60,928.92x = 1,513,087,418.78
  5. Step 5: Solve for x
    x = 1,513,087,418.78/60,928.92
  6. Step 6: Final answer
    x = 24,833.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.