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Finding the Fourth Proportional to 7,404.70, 11,107.05 and 2,964.36

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Solution

The fourth proportional to 7,404.70, 11,107.05 and 2,964.36 is: 4,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.70 : 11,107.05 = 2,964.36 : x
  2. Step 2: Convert to fraction form
    7,404.70/11,107.05 = 2,964.36/x
  3. Step 3: Cross multiply
    7,404.70x = 11,107.05 × 2,964.36
  4. Step 4: Simplify right side
    7,404.70x = 32,925,339.69
  5. Step 5: Solve for x
    x = 32,925,339.69/7,404.70
  6. Step 6: Final answer
    x = 4,446.55

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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.