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Finding the Fourth Proportional to 6,266.70, 8,641.08 and 4,028.40

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Solution

The fourth proportional to 6,266.70, 8,641.08 and 4,028.40 is: 5,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,266.70 : 8,641.08 = 4,028.40 : x
  2. Step 2: Convert to fraction form
    6,266.70/8,641.08 = 4,028.40/x
  3. Step 3: Cross multiply
    6,266.70x = 8,641.08 × 4,028.40
  4. Step 4: Simplify right side
    6,266.70x = 34,809,726.67
  5. Step 5: Solve for x
    x = 34,809,726.67/6,266.70
  6. Step 6: Final answer
    x = 5,554.71

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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.