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Finding the Fourth Proportional to 4,823.84, 6,651.09 and 4,028.28

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Solution

The fourth proportional to 4,823.84, 6,651.09 and 4,028.28 is: 5,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.84 : 6,651.09 = 4,028.28 : x
  2. Step 2: Convert to fraction form
    4,823.84/6,651.09 = 4,028.28/x
  3. Step 3: Cross multiply
    4,823.84x = 6,651.09 × 4,028.28
  4. Step 4: Simplify right side
    4,823.84x = 26,792,452.83
  5. Step 5: Solve for x
    x = 26,792,452.83/4,823.84
  6. Step 6: Final answer
    x = 5,554.18

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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.