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Finding the Fourth Proportional to 6,393.86, 9,591.10 and 2,011.34

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Solution

The fourth proportional to 6,393.86, 9,591.10 and 2,011.34 is: 3,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.86 : 9,591.10 = 2,011.34 : x
  2. Step 2: Convert to fraction form
    6,393.86/9,591.10 = 2,011.34/x
  3. Step 3: Cross multiply
    6,393.86x = 9,591.10 × 2,011.34
  4. Step 4: Simplify right side
    6,393.86x = 19,290,963.07
  5. Step 5: Solve for x
    x = 19,290,963.07/6,393.86
  6. Step 6: Final answer
    x = 3,017.11

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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.