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Finding the Fourth Proportional to 7,493.59, 11,221.22 and 7,271.87

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Solution

The fourth proportional to 7,493.59, 11,221.22 and 7,271.87 is: 10,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.59 : 11,221.22 = 7,271.87 : x
  2. Step 2: Convert to fraction form
    7,493.59/11,221.22 = 7,271.87/x
  3. Step 3: Cross multiply
    7,493.59x = 11,221.22 × 7,271.87
  4. Step 4: Simplify right side
    7,493.59x = 81,599,272.04
  5. Step 5: Solve for x
    x = 81,599,272.04/7,493.59
  6. Step 6: Final answer
    x = 10,889.21

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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.