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Finding the Fourth Proportional to 5,933.79, 8,876.99 and 5,120.96

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Solution

The fourth proportional to 5,933.79, 8,876.99 and 5,120.96 is: 7,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,933.79 : 8,876.99 = 5,120.96 : x
  2. Step 2: Convert to fraction form
    5,933.79/8,876.99 = 5,120.96/x
  3. Step 3: Cross multiply
    5,933.79x = 8,876.99 × 5,120.96
  4. Step 4: Simplify right side
    5,933.79x = 45,458,679.13
  5. Step 5: Solve for x
    x = 45,458,679.13/5,933.79
  6. Step 6: Final answer
    x = 7,660.99

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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.