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Finding the Fourth Proportional to 7,493.11, 11,220.44 and 7,271.38

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Solution

The fourth proportional to 7,493.11, 11,220.44 and 7,271.38 is: 10,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.11 : 11,220.44 = 7,271.38 : x
  2. Step 2: Convert to fraction form
    7,493.11/11,220.44 = 7,271.38/x
  3. Step 3: Cross multiply
    7,493.11x = 11,220.44 × 7,271.38
  4. Step 4: Simplify right side
    7,493.11x = 81,588,060.68
  5. Step 5: Solve for x
    x = 81,588,060.68/7,493.11
  6. Step 6: Final answer
    x = 10,888.41

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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.