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Finding the Fourth Proportional to 2,031.45, 3,045.92 and 797.41

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Solution

The fourth proportional to 2,031.45, 3,045.92 and 797.41 is: 1,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.45 : 3,045.92 = 797.41 : x
  2. Step 2: Convert to fraction form
    2,031.45/3,045.92 = 797.41/x
  3. Step 3: Cross multiply
    2,031.45x = 3,045.92 × 797.41
  4. Step 4: Simplify right side
    2,031.45x = 2,428,847.07
  5. Step 5: Solve for x
    x = 2,428,847.07/2,031.45
  6. Step 6: Final answer
    x = 1,195.62

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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.