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Finding the Fourth Proportional to 6,331.86, 9,494.80 and 3,700.12

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Solution

The fourth proportional to 6,331.86, 9,494.80 and 3,700.12 is: 5,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.86 : 9,494.80 = 3,700.12 : x
  2. Step 2: Convert to fraction form
    6,331.86/9,494.80 = 3,700.12/x
  3. Step 3: Cross multiply
    6,331.86x = 9,494.80 × 3,700.12
  4. Step 4: Simplify right side
    6,331.86x = 35,131,899.38
  5. Step 5: Solve for x
    x = 35,131,899.38/6,331.86
  6. Step 6: Final answer
    x = 5,548.44

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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.