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Finding the Fourth Proportional to 6,605.99, 9,910.52 and 1,926.11

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Solution

The fourth proportional to 6,605.99, 9,910.52 and 1,926.11 is: 2,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.99 : 9,910.52 = 1,926.11 : x
  2. Step 2: Convert to fraction form
    6,605.99/9,910.52 = 1,926.11/x
  3. Step 3: Cross multiply
    6,605.99x = 9,910.52 × 1,926.11
  4. Step 4: Simplify right side
    6,605.99x = 19,088,751.68
  5. Step 5: Solve for x
    x = 19,088,751.68/6,605.99
  6. Step 6: Final answer
    x = 2,889.61

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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.