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Finding the Fourth Proportional to 6,571.77, 9,840.43 and 5,249.44

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Solution

The fourth proportional to 6,571.77, 9,840.43 and 5,249.44 is: 7,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.77 : 9,840.43 = 5,249.44 : x
  2. Step 2: Convert to fraction form
    6,571.77/9,840.43 = 5,249.44/x
  3. Step 3: Cross multiply
    6,571.77x = 9,840.43 × 5,249.44
  4. Step 4: Simplify right side
    6,571.77x = 51,656,746.86
  5. Step 5: Solve for x
    x = 51,656,746.86/6,571.77
  6. Step 6: Final answer
    x = 7,860.40

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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.