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Finding the Fourth Proportional to 3,344.99, 4,616.65 and 1,928.42

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Solution

The fourth proportional to 3,344.99, 4,616.65 and 1,928.42 is: 2,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.99 : 4,616.65 = 1,928.42 : x
  2. Step 2: Convert to fraction form
    3,344.99/4,616.65 = 1,928.42/x
  3. Step 3: Cross multiply
    3,344.99x = 4,616.65 × 1,928.42
  4. Step 4: Simplify right side
    3,344.99x = 8,902,817.11
  5. Step 5: Solve for x
    x = 8,902,817.11/3,344.99
  6. Step 6: Final answer
    x = 2,661.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.