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Finding the Fourth Proportional to 5,292.32, 7,936.84 and 4,249.86

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Solution

The fourth proportional to 5,292.32, 7,936.84 and 4,249.86 is: 6,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,292.32 : 7,936.84 = 4,249.86 : x
  2. Step 2: Convert to fraction form
    5,292.32/7,936.84 = 4,249.86/x
  3. Step 3: Cross multiply
    5,292.32x = 7,936.84 × 4,249.86
  4. Step 4: Simplify right side
    5,292.32x = 33,730,458.84
  5. Step 5: Solve for x
    x = 33,730,458.84/5,292.32
  6. Step 6: Final answer
    x = 6,373.47

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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.