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Finding the Fourth Proportional to 7,486.39, 11,229.57 and 2,014.39

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Solution

The fourth proportional to 7,486.39, 11,229.57 and 2,014.39 is: 3,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.39 : 11,229.57 = 2,014.39 : x
  2. Step 2: Convert to fraction form
    7,486.39/11,229.57 = 2,014.39/x
  3. Step 3: Cross multiply
    7,486.39x = 11,229.57 × 2,014.39
  4. Step 4: Simplify right side
    7,486.39x = 22,620,733.51
  5. Step 5: Solve for x
    x = 22,620,733.51/7,486.39
  6. Step 6: Final answer
    x = 3,021.58

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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.