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Finding the Fourth Proportional to 7,754.80, 11,630.13 and 3,371.22

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Solution

The fourth proportional to 7,754.80, 11,630.13 and 3,371.22 is: 5,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.80 : 11,630.13 = 3,371.22 : x
  2. Step 2: Convert to fraction form
    7,754.80/11,630.13 = 3,371.22/x
  3. Step 3: Cross multiply
    7,754.80x = 11,630.13 × 3,371.22
  4. Step 4: Simplify right side
    7,754.80x = 39,207,726.86
  5. Step 5: Solve for x
    x = 39,207,726.86/7,754.80
  6. Step 6: Final answer
    x = 5,055.93

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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.