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Finding the Fourth Proportional to 22,283.52, 30,750.30 and 13,325.73

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Solution

The fourth proportional to 22,283.52, 30,750.30 and 13,325.73 is: 18,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,283.52 : 30,750.30 = 13,325.73 : x
  2. Step 2: Convert to fraction form
    22,283.52/30,750.30 = 13,325.73/x
  3. Step 3: Cross multiply
    22,283.52x = 30,750.30 × 13,325.73
  4. Step 4: Simplify right side
    22,283.52x = 409,770,195.22
  5. Step 5: Solve for x
    x = 409,770,195.22/22,283.52
  6. Step 6: Final answer
    x = 18,388.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.