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Finding the Fourth Proportional to 1,486.44, 2,052 and 1,044.72

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Solution

The fourth proportional to 1,486.44, 2,052 and 1,044.72 is: 1,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.44 : 2,052 = 1,044.72 : x
  2. Step 2: Convert to fraction form
    1,486.44/2,052 = 1,044.72/x
  3. Step 3: Cross multiply
    1,486.44x = 2,052 × 1,044.72
  4. Step 4: Simplify right side
    1,486.44x = 2,143,765.44
  5. Step 5: Solve for x
    x = 2,143,765.44/1,486.44
  6. Step 6: Final answer
    x = 1,442.21

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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.