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Finding the Fourth Proportional to 5,990.42, 8,981.44 and 2,656.84

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Solution

The fourth proportional to 5,990.42, 8,981.44 and 2,656.84 is: 3,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.42 : 8,981.44 = 2,656.84 : x
  2. Step 2: Convert to fraction form
    5,990.42/8,981.44 = 2,656.84/x
  3. Step 3: Cross multiply
    5,990.42x = 8,981.44 × 2,656.84
  4. Step 4: Simplify right side
    5,990.42x = 23,862,249.05
  5. Step 5: Solve for x
    x = 23,862,249.05/5,990.42
  6. Step 6: Final answer
    x = 3,983.40

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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.