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Finding the Fourth Proportional to 54,563.04, 81,737.52 and 28,284.96

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Solution

The fourth proportional to 54,563.04, 81,737.52 and 28,284.96 is: 42,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,563.04 : 81,737.52 = 28,284.96 : x
  2. Step 2: Convert to fraction form
    54,563.04/81,737.52 = 28,284.96/x
  3. Step 3: Cross multiply
    54,563.04x = 81,737.52 × 28,284.96
  4. Step 4: Simplify right side
    54,563.04x = 2,311,942,483.70
  5. Step 5: Solve for x
    x = 2,311,942,483.70/54,563.04
  6. Step 6: Final answer
    x = 42,371.95

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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.