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Finding the Fourth Proportional to 7,268.28, 10,895.13 and 6,393.48

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Solution

The fourth proportional to 7,268.28, 10,895.13 and 6,393.48 is: 9,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268.28 : 10,895.13 = 6,393.48 : x
  2. Step 2: Convert to fraction form
    7,268.28/10,895.13 = 6,393.48/x
  3. Step 3: Cross multiply
    7,268.28x = 10,895.13 × 6,393.48
  4. Step 4: Simplify right side
    7,268.28x = 69,657,795.75
  5. Step 5: Solve for x
    x = 69,657,795.75/7,268.28
  6. Step 6: Final answer
    x = 9,583.81

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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.