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Finding the Fourth Proportional to 7,400.41, 10,212.41 and 4,043.24

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Solution

The fourth proportional to 7,400.41, 10,212.41 and 4,043.24 is: 5,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.41 : 10,212.41 = 4,043.24 : x
  2. Step 2: Convert to fraction form
    7,400.41/10,212.41 = 4,043.24/x
  3. Step 3: Cross multiply
    7,400.41x = 10,212.41 × 4,043.24
  4. Step 4: Simplify right side
    7,400.41x = 41,291,221.95
  5. Step 5: Solve for x
    x = 41,291,221.95/7,400.41
  6. Step 6: Final answer
    x = 5,579.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.