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Finding the Fourth Proportional to 2,066.52, 3,099.24 and 605.28

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Solution

The fourth proportional to 2,066.52, 3,099.24 and 605.28 is: 907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.52 : 3,099.24 = 605.28 : x
  2. Step 2: Convert to fraction form
    2,066.52/3,099.24 = 605.28/x
  3. Step 3: Cross multiply
    2,066.52x = 3,099.24 × 605.28
  4. Step 4: Simplify right side
    2,066.52x = 1,875,907.99
  5. Step 5: Solve for x
    x = 1,875,907.99/2,066.52
  6. Step 6: Final answer
    x = 907.76

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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.