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Finding the Fourth Proportional to 1,749.48, 2,625.14 and 1,648.64

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Solution

The fourth proportional to 1,749.48, 2,625.14 and 1,648.64 is: 2,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.48 : 2,625.14 = 1,648.64 : x
  2. Step 2: Convert to fraction form
    1,749.48/2,625.14 = 1,648.64/x
  3. Step 3: Cross multiply
    1,749.48x = 2,625.14 × 1,648.64
  4. Step 4: Simplify right side
    1,749.48x = 4,327,889.44
  5. Step 5: Solve for x
    x = 4,327,889.44/1,749.48
  6. Step 6: Final answer
    x = 2,473.81

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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.