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Finding the Fourth Proportional to 4,616.28, 6,922.98 and 1,328.49

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Solution

The fourth proportional to 4,616.28, 6,922.98 and 1,328.49 is: 1,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,616.28 : 6,922.98 = 1,328.49 : x
  2. Step 2: Convert to fraction form
    4,616.28/6,922.98 = 1,328.49/x
  3. Step 3: Cross multiply
    4,616.28x = 6,922.98 × 1,328.49
  4. Step 4: Simplify right side
    4,616.28x = 9,197,109.70
  5. Step 5: Solve for x
    x = 9,197,109.70/4,616.28
  6. Step 6: Final answer
    x = 1,992.32

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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.