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Finding the Fourth Proportional to 5,956.36, 8,919.90 and 4,909.96

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Solution

The fourth proportional to 5,956.36, 8,919.90 and 4,909.96 is: 7,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,956.36 : 8,919.90 = 4,909.96 : x
  2. Step 2: Convert to fraction form
    5,956.36/8,919.90 = 4,909.96/x
  3. Step 3: Cross multiply
    5,956.36x = 8,919.90 × 4,909.96
  4. Step 4: Simplify right side
    5,956.36x = 43,796,352.20
  5. Step 5: Solve for x
    x = 43,796,352.20/5,956.36
  6. Step 6: Final answer
    x = 7,352.87

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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.