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Finding the Fourth Proportional to 3,069.40, 4,604.22 and 848.47

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Solution

The fourth proportional to 3,069.40, 4,604.22 and 848.47 is: 1,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.40 : 4,604.22 = 848.47 : x
  2. Step 2: Convert to fraction form
    3,069.40/4,604.22 = 848.47/x
  3. Step 3: Cross multiply
    3,069.40x = 4,604.22 × 848.47
  4. Step 4: Simplify right side
    3,069.40x = 3,906,542.54
  5. Step 5: Solve for x
    x = 3,906,542.54/3,069.40
  6. Step 6: Final answer
    x = 1,272.74

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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.