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Finding the Fourth Proportional to 6,268.86, 8,647.97 and 5,273.78

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Solution

The fourth proportional to 6,268.86, 8,647.97 and 5,273.78 is: 7,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.86 : 8,647.97 = 5,273.78 : x
  2. Step 2: Convert to fraction form
    6,268.86/8,647.97 = 5,273.78/x
  3. Step 3: Cross multiply
    6,268.86x = 8,647.97 × 5,273.78
  4. Step 4: Simplify right side
    6,268.86x = 45,607,421.62
  5. Step 5: Solve for x
    x = 45,607,421.62/6,268.86
  6. Step 6: Final answer
    x = 7,275.23

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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.