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Finding the Fourth Proportional to 6,601.70, 9,893.22 and 3,475.40

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Solution

The fourth proportional to 6,601.70, 9,893.22 and 3,475.40 is: 5,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.70 : 9,893.22 = 3,475.40 : x
  2. Step 2: Convert to fraction form
    6,601.70/9,893.22 = 3,475.40/x
  3. Step 3: Cross multiply
    6,601.70x = 9,893.22 × 3,475.40
  4. Step 4: Simplify right side
    6,601.70x = 34,382,847.32
  5. Step 5: Solve for x
    x = 34,382,847.32/6,601.70
  6. Step 6: Final answer
    x = 5,208.18

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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.