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Finding the Fourth Proportional to 5,363.08, 8,047.74 and 2,285

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Solution

The fourth proportional to 5,363.08, 8,047.74 and 2,285 is: 3,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.08 : 8,047.74 = 2,285 : x
  2. Step 2: Convert to fraction form
    5,363.08/8,047.74 = 2,285/x
  3. Step 3: Cross multiply
    5,363.08x = 8,047.74 × 2,285
  4. Step 4: Simplify right side
    5,363.08x = 18,389,085.90
  5. Step 5: Solve for x
    x = 18,389,085.90/5,363.08
  6. Step 6: Final answer
    x = 3,428.83

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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.