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Finding the Fourth Proportional to 4,885.92, 7,329.96 and 1,599.21

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Solution

The fourth proportional to 4,885.92, 7,329.96 and 1,599.21 is: 2,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.92 : 7,329.96 = 1,599.21 : x
  2. Step 2: Convert to fraction form
    4,885.92/7,329.96 = 1,599.21/x
  3. Step 3: Cross multiply
    4,885.92x = 7,329.96 × 1,599.21
  4. Step 4: Simplify right side
    4,885.92x = 11,722,145.33
  5. Step 5: Solve for x
    x = 11,722,145.33/4,885.92
  6. Step 6: Final answer
    x = 2,399.17

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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.