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Finding the Fourth Proportional to 2,574.76, 3,862.11 and 626.97

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Solution

The fourth proportional to 2,574.76, 3,862.11 and 626.97 is: 940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.76 : 3,862.11 = 626.97 : x
  2. Step 2: Convert to fraction form
    2,574.76/3,862.11 = 626.97/x
  3. Step 3: Cross multiply
    2,574.76x = 3,862.11 × 626.97
  4. Step 4: Simplify right side
    2,574.76x = 2,421,407.80
  5. Step 5: Solve for x
    x = 2,421,407.80/2,574.76
  6. Step 6: Final answer
    x = 940.44

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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.