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Finding the Fourth Proportional to 6,264.28, 8,640.54 and 4,028.98

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Solution

The fourth proportional to 6,264.28, 8,640.54 and 4,028.98 is: 5,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264.28 : 8,640.54 = 4,028.98 : x
  2. Step 2: Convert to fraction form
    6,264.28/8,640.54 = 4,028.98/x
  3. Step 3: Cross multiply
    6,264.28x = 8,640.54 × 4,028.98
  4. Step 4: Simplify right side
    6,264.28x = 34,812,562.85
  5. Step 5: Solve for x
    x = 34,812,562.85/6,264.28
  6. Step 6: Final answer
    x = 5,557.32

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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.