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Finding the Fourth Proportional to 5,720.72, 7,934.99 and 5,568.98

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Solution

The fourth proportional to 5,720.72, 7,934.99 and 5,568.98 is: 7,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.72 : 7,934.99 = 5,568.98 : x
  2. Step 2: Convert to fraction form
    5,720.72/7,934.99 = 5,568.98/x
  3. Step 3: Cross multiply
    5,720.72x = 7,934.99 × 5,568.98
  4. Step 4: Simplify right side
    5,720.72x = 44,189,733.09
  5. Step 5: Solve for x
    x = 44,189,733.09/5,720.72
  6. Step 6: Final answer
    x = 7,724.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.