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Finding the Fourth Proportional to 10,107.99, 15,161.99 and 4,841.78

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Solution

The fourth proportional to 10,107.99, 15,161.99 and 4,841.78 is: 7,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.99 : 15,161.99 = 4,841.78 : x
  2. Step 2: Convert to fraction form
    10,107.99/15,161.99 = 4,841.78/x
  3. Step 3: Cross multiply
    10,107.99x = 15,161.99 × 4,841.78
  4. Step 4: Simplify right side
    10,107.99x = 73,410,919.92
  5. Step 5: Solve for x
    x = 73,410,919.92/10,107.99
  6. Step 6: Final answer
    x = 7,262.66

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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.