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Finding the Fourth Proportional to 7,561.17, 10,434.42 and 4,249.17

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Solution

The fourth proportional to 7,561.17, 10,434.42 and 4,249.17 is: 5,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.17 : 10,434.42 = 4,249.17 : x
  2. Step 2: Convert to fraction form
    7,561.17/10,434.42 = 4,249.17/x
  3. Step 3: Cross multiply
    7,561.17x = 10,434.42 × 4,249.17
  4. Step 4: Simplify right side
    7,561.17x = 44,337,636.03
  5. Step 5: Solve for x
    x = 44,337,636.03/7,561.17
  6. Step 6: Final answer
    x = 5,863.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.