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Finding the Fourth Proportional to 4,658.98, 6,991.71 and 3,011.44

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Solution

The fourth proportional to 4,658.98, 6,991.71 and 3,011.44 is: 4,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.98 : 6,991.71 = 3,011.44 : x
  2. Step 2: Convert to fraction form
    4,658.98/6,991.71 = 3,011.44/x
  3. Step 3: Cross multiply
    4,658.98x = 6,991.71 × 3,011.44
  4. Step 4: Simplify right side
    4,658.98x = 21,055,086.39
  5. Step 5: Solve for x
    x = 21,055,086.39/4,658.98
  6. Step 6: Final answer
    x = 4,519.25

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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.