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Finding the Fourth Proportional to 2,044.48, 3,064.96 and 745.68

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Solution

The fourth proportional to 2,044.48, 3,064.96 and 745.68 is: 1,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.48 : 3,064.96 = 745.68 : x
  2. Step 2: Convert to fraction form
    2,044.48/3,064.96 = 745.68/x
  3. Step 3: Cross multiply
    2,044.48x = 3,064.96 × 745.68
  4. Step 4: Simplify right side
    2,044.48x = 2,285,479.37
  5. Step 5: Solve for x
    x = 2,285,479.37/2,044.48
  6. Step 6: Final answer
    x = 1,117.88

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1.5x scale

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.