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Finding the Fourth Proportional to 3,289.01, 4,911.82 and 2,926.13

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Solution

The fourth proportional to 3,289.01, 4,911.82 and 2,926.13 is: 4,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.01 : 4,911.82 = 2,926.13 : x
  2. Step 2: Convert to fraction form
    3,289.01/4,911.82 = 2,926.13/x
  3. Step 3: Cross multiply
    3,289.01x = 4,911.82 × 2,926.13
  4. Step 4: Simplify right side
    3,289.01x = 14,372,591.98
  5. Step 5: Solve for x
    x = 14,372,591.98/3,289.01
  6. Step 6: Final answer
    x = 4,369.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.