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Finding the Fourth Proportional to 15,221.30, 22,825.22 and 6,900.98

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Solution

The fourth proportional to 15,221.30, 22,825.22 and 6,900.98 is: 10,348.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.30 : 22,825.22 = 6,900.98 : x
  2. Step 2: Convert to fraction form
    15,221.30/22,825.22 = 6,900.98/x
  3. Step 3: Cross multiply
    15,221.30x = 22,825.22 × 6,900.98
  4. Step 4: Simplify right side
    15,221.30x = 157,516,238.08
  5. Step 5: Solve for x
    x = 157,516,238.08/15,221.30
  6. Step 6: Final answer
    x = 10,348.41

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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.