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Finding the Fourth Proportional to 6,379.02, 8,803.74 and 3,727.32

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Solution

The fourth proportional to 6,379.02, 8,803.74 and 3,727.32 is: 5,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.02 : 8,803.74 = 3,727.32 : x
  2. Step 2: Convert to fraction form
    6,379.02/8,803.74 = 3,727.32/x
  3. Step 3: Cross multiply
    6,379.02x = 8,803.74 × 3,727.32
  4. Step 4: Simplify right side
    6,379.02x = 32,814,356.18
  5. Step 5: Solve for x
    x = 32,814,356.18/6,379.02
  6. Step 6: Final answer
    x = 5,144.11

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1.5x scale

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.