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Finding the Fourth Proportional to 4,911.39, 7,367.09 and 4,043.88

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Solution

The fourth proportional to 4,911.39, 7,367.09 and 4,043.88 is: 6,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.39 : 7,367.09 = 4,043.88 : x
  2. Step 2: Convert to fraction form
    4,911.39/7,367.09 = 4,043.88/x
  3. Step 3: Cross multiply
    4,911.39x = 7,367.09 × 4,043.88
  4. Step 4: Simplify right side
    4,911.39x = 29,791,607.69
  5. Step 5: Solve for x
    x = 29,791,607.69/4,911.39
  6. Step 6: Final answer
    x = 6,065.82

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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.