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Finding the Fourth Proportional to 7,750.07, 11,624.99 and 1,906.73

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Solution

The fourth proportional to 7,750.07, 11,624.99 and 1,906.73 is: 2,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.07 : 11,624.99 = 1,906.73 : x
  2. Step 2: Convert to fraction form
    7,750.07/11,624.99 = 1,906.73/x
  3. Step 3: Cross multiply
    7,750.07x = 11,624.99 × 1,906.73
  4. Step 4: Simplify right side
    7,750.07x = 22,165,717.18
  5. Step 5: Solve for x
    x = 22,165,717.18/7,750.07
  6. Step 6: Final answer
    x = 2,860.07

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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.