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Finding the Fourth Proportional to 6,149.35, 8,471.29 and 4,890.01

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Solution

The fourth proportional to 6,149.35, 8,471.29 and 4,890.01 is: 6,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.35 : 8,471.29 = 4,890.01 : x
  2. Step 2: Convert to fraction form
    6,149.35/8,471.29 = 4,890.01/x
  3. Step 3: Cross multiply
    6,149.35x = 8,471.29 × 4,890.01
  4. Step 4: Simplify right side
    6,149.35x = 41,424,692.81
  5. Step 5: Solve for x
    x = 41,424,692.81/6,149.35
  6. Step 6: Final answer
    x = 6,736.43

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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.