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Finding the Fourth Proportional to 5,363.95, 8,036.19 and 5,247.31

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Solution

The fourth proportional to 5,363.95, 8,036.19 and 5,247.31 is: 7,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.95 : 8,036.19 = 5,247.31 : x
  2. Step 2: Convert to fraction form
    5,363.95/8,036.19 = 5,247.31/x
  3. Step 3: Cross multiply
    5,363.95x = 8,036.19 × 5,247.31
  4. Step 4: Simplify right side
    5,363.95x = 42,168,380.15
  5. Step 5: Solve for x
    x = 42,168,380.15/5,363.95
  6. Step 6: Final answer
    x = 7,861.44

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1.5x scale

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.