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Finding the Fourth Proportional to 5,998.32, 8,998.56 and 2,101.68

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Solution

The fourth proportional to 5,998.32, 8,998.56 and 2,101.68 is: 3,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.32 : 8,998.56 = 2,101.68 : x
  2. Step 2: Convert to fraction form
    5,998.32/8,998.56 = 2,101.68/x
  3. Step 3: Cross multiply
    5,998.32x = 8,998.56 × 2,101.68
  4. Step 4: Simplify right side
    5,998.32x = 18,912,093.58
  5. Step 5: Solve for x
    x = 18,912,093.58/5,998.32
  6. Step 6: Final answer
    x = 3,152.90

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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.