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Finding the Fourth Proportional to 1,849.44, 2,773.44 and 753.60

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Solution

The fourth proportional to 1,849.44, 2,773.44 and 753.60 is: 1,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.44 : 2,773.44 = 753.60 : x
  2. Step 2: Convert to fraction form
    1,849.44/2,773.44 = 753.60/x
  3. Step 3: Cross multiply
    1,849.44x = 2,773.44 × 753.60
  4. Step 4: Simplify right side
    1,849.44x = 2,090,064.38
  5. Step 5: Solve for x
    x = 2,090,064.38/1,849.44
  6. Step 6: Final answer
    x = 1,130.11

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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.