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Finding the Fourth Proportional to 6,331.67, 8,690.90 and 6,061.03

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Solution

The fourth proportional to 6,331.67, 8,690.90 and 6,061.03 is: 8,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.67 : 8,690.90 = 6,061.03 : x
  2. Step 2: Convert to fraction form
    6,331.67/8,690.90 = 6,061.03/x
  3. Step 3: Cross multiply
    6,331.67x = 8,690.90 × 6,061.03
  4. Step 4: Simplify right side
    6,331.67x = 52,675,753.59
  5. Step 5: Solve for x
    x = 52,675,753.59/6,331.67
  6. Step 6: Final answer
    x = 8,319.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.