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Finding the Fourth Proportional to 6,342.44, 8,754.90 and 4,767.80

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Solution

The fourth proportional to 6,342.44, 8,754.90 and 4,767.80 is: 6,581.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.44 : 8,754.90 = 4,767.80 : x
  2. Step 2: Convert to fraction form
    6,342.44/8,754.90 = 4,767.80/x
  3. Step 3: Cross multiply
    6,342.44x = 8,754.90 × 4,767.80
  4. Step 4: Simplify right side
    6,342.44x = 41,741,612.22
  5. Step 5: Solve for x
    x = 41,741,612.22/6,342.44
  6. Step 6: Final answer
    x = 6,581.32

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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.