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Finding the Fourth Proportional to 5,803.62, 8,015.60 and 3,911.95

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Solution

The fourth proportional to 5,803.62, 8,015.60 and 3,911.95 is: 5,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.62 : 8,015.60 = 3,911.95 : x
  2. Step 2: Convert to fraction form
    5,803.62/8,015.60 = 3,911.95/x
  3. Step 3: Cross multiply
    5,803.62x = 8,015.60 × 3,911.95
  4. Step 4: Simplify right side
    5,803.62x = 31,356,626.42
  5. Step 5: Solve for x
    x = 31,356,626.42/5,803.62
  6. Step 6: Final answer
    x = 5,402.94

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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.