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Finding the Fourth Proportional to 4,398.09, 6,611.06 and 2,454.09

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Solution

The fourth proportional to 4,398.09, 6,611.06 and 2,454.09 is: 3,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.09 : 6,611.06 = 2,454.09 : x
  2. Step 2: Convert to fraction form
    4,398.09/6,611.06 = 2,454.09/x
  3. Step 3: Cross multiply
    4,398.09x = 6,611.06 × 2,454.09
  4. Step 4: Simplify right side
    4,398.09x = 16,224,123.96
  5. Step 5: Solve for x
    x = 16,224,123.96/4,398.09
  6. Step 6: Final answer
    x = 3,688.90

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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.