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Finding the Fourth Proportional to 1,183.02, 1,775.25 and 751.02

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Solution

The fourth proportional to 1,183.02, 1,775.25 and 751.02 is: 1,126.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.02 : 1,775.25 = 751.02 : x
  2. Step 2: Convert to fraction form
    1,183.02/1,775.25 = 751.02/x
  3. Step 3: Cross multiply
    1,183.02x = 1,775.25 × 751.02
  4. Step 4: Simplify right side
    1,183.02x = 1,333,248.26
  5. Step 5: Solve for x
    x = 1,333,248.26/1,183.02
  6. Step 6: Final answer
    x = 1,126.99

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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.