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Finding the Fourth Proportional to 3,611.94, 4,982.63 and 2,355.10

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Solution

The fourth proportional to 3,611.94, 4,982.63 and 2,355.10 is: 3,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.94 : 4,982.63 = 2,355.10 : x
  2. Step 2: Convert to fraction form
    3,611.94/4,982.63 = 2,355.10/x
  3. Step 3: Cross multiply
    3,611.94x = 4,982.63 × 2,355.10
  4. Step 4: Simplify right side
    3,611.94x = 11,734,585.34
  5. Step 5: Solve for x
    x = 11,734,585.34/3,611.94
  6. Step 6: Final answer
    x = 3,248.83

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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.