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Finding the Fourth Proportional to 6,268.88, 8,661.56 and 4,952.72

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Solution

The fourth proportional to 6,268.88, 8,661.56 and 4,952.72 is: 6,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.88 : 8,661.56 = 4,952.72 : x
  2. Step 2: Convert to fraction form
    6,268.88/8,661.56 = 4,952.72/x
  3. Step 3: Cross multiply
    6,268.88x = 8,661.56 × 4,952.72
  4. Step 4: Simplify right side
    6,268.88x = 42,898,281.44
  5. Step 5: Solve for x
    x = 42,898,281.44/6,268.88
  6. Step 6: Final answer
    x = 6,843.05

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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.