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Finding the Fourth Proportional to 3,355.01, 4,629.16 and 2,028.68

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Solution

The fourth proportional to 3,355.01, 4,629.16 and 2,028.68 is: 2,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.01 : 4,629.16 = 2,028.68 : x
  2. Step 2: Convert to fraction form
    3,355.01/4,629.16 = 2,028.68/x
  3. Step 3: Cross multiply
    3,355.01x = 4,629.16 × 2,028.68
  4. Step 4: Simplify right side
    3,355.01x = 9,391,089.74
  5. Step 5: Solve for x
    x = 9,391,089.74/3,355.01
  6. Step 6: Final answer
    x = 2,799.13

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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.