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Finding the Fourth Proportional to 7,504.91, 11,263.13 and 7,119.48

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Solution

The fourth proportional to 7,504.91, 11,263.13 and 7,119.48 is: 10,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.91 : 11,263.13 = 7,119.48 : x
  2. Step 2: Convert to fraction form
    7,504.91/11,263.13 = 7,119.48/x
  3. Step 3: Cross multiply
    7,504.91x = 11,263.13 × 7,119.48
  4. Step 4: Simplify right side
    7,504.91x = 80,187,628.77
  5. Step 5: Solve for x
    x = 80,187,628.77/7,504.91
  6. Step 6: Final answer
    x = 10,684.69

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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.