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Finding the Fourth Proportional to 2,028.74, 3,043.11 and 730.18

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Solution

The fourth proportional to 2,028.74, 3,043.11 and 730.18 is: 1,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.74 : 3,043.11 = 730.18 : x
  2. Step 2: Convert to fraction form
    2,028.74/3,043.11 = 730.18/x
  3. Step 3: Cross multiply
    2,028.74x = 3,043.11 × 730.18
  4. Step 4: Simplify right side
    2,028.74x = 2,222,002.84
  5. Step 5: Solve for x
    x = 2,222,002.84/2,028.74
  6. Step 6: Final answer
    x = 1,095.26

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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.