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Finding the Fourth Proportional to 7,493.30, 11,227.80 and 7,055.90

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Solution

The fourth proportional to 7,493.30, 11,227.80 and 7,055.90 is: 10,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.30 : 11,227.80 = 7,055.90 : x
  2. Step 2: Convert to fraction form
    7,493.30/11,227.80 = 7,055.90/x
  3. Step 3: Cross multiply
    7,493.30x = 11,227.80 × 7,055.90
  4. Step 4: Simplify right side
    7,493.30x = 79,222,234.02
  5. Step 5: Solve for x
    x = 79,222,234.02/7,493.30
  6. Step 6: Final answer
    x = 10,572.41

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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.