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Finding the Fourth Proportional to 2,044.20, 3,066.48 and 657.48

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Solution

The fourth proportional to 2,044.20, 3,066.48 and 657.48 is: 986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.20 : 3,066.48 = 657.48 : x
  2. Step 2: Convert to fraction form
    2,044.20/3,066.48 = 657.48/x
  3. Step 3: Cross multiply
    2,044.20x = 3,066.48 × 657.48
  4. Step 4: Simplify right side
    2,044.20x = 2,016,149.27
  5. Step 5: Solve for x
    x = 2,016,149.27/2,044.20
  6. Step 6: Final answer
    x = 986.28

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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.