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Finding the Fourth Proportional to 6,751.99, 10,127.90 and 2,309.61

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Solution

The fourth proportional to 6,751.99, 10,127.90 and 2,309.61 is: 3,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.99 : 10,127.90 = 2,309.61 : x
  2. Step 2: Convert to fraction form
    6,751.99/10,127.90 = 2,309.61/x
  3. Step 3: Cross multiply
    6,751.99x = 10,127.90 × 2,309.61
  4. Step 4: Simplify right side
    6,751.99x = 23,391,499.12
  5. Step 5: Solve for x
    x = 23,391,499.12/6,751.99
  6. Step 6: Final answer
    x = 3,464.39

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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.