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Finding the Fourth Proportional to 6,393.79, 9,593.81 and 2,886.22

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Solution

The fourth proportional to 6,393.79, 9,593.81 and 2,886.22 is: 4,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.79 : 9,593.81 = 2,886.22 : x
  2. Step 2: Convert to fraction form
    6,393.79/9,593.81 = 2,886.22/x
  3. Step 3: Cross multiply
    6,393.79x = 9,593.81 × 2,886.22
  4. Step 4: Simplify right side
    6,393.79x = 27,689,783.90
  5. Step 5: Solve for x
    x = 27,689,783.90/6,393.79
  6. Step 6: Final answer
    x = 4,330.73

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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.