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Finding the Fourth Proportional to 7,493.02, 11,239.52 and 2,228

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Solution

The fourth proportional to 7,493.02, 11,239.52 and 2,228 is: 3,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.02 : 11,239.52 = 2,228 : x
  2. Step 2: Convert to fraction form
    7,493.02/11,239.52 = 2,228/x
  3. Step 3: Cross multiply
    7,493.02x = 11,239.52 × 2,228
  4. Step 4: Simplify right side
    7,493.02x = 25,041,650.56
  5. Step 5: Solve for x
    x = 25,041,650.56/7,493.02
  6. Step 6: Final answer
    x = 3,342.00

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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.