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Finding the Fourth Proportional to 53,472.60, 80,247.30 and 22,330.20

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Solution

The fourth proportional to 53,472.60, 80,247.30 and 22,330.20 is: 33,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.60 : 80,247.30 = 22,330.20 : x
  2. Step 2: Convert to fraction form
    53,472.60/80,247.30 = 22,330.20/x
  3. Step 3: Cross multiply
    53,472.60x = 80,247.30 × 22,330.20
  4. Step 4: Simplify right side
    53,472.60x = 1,791,938,258.46
  5. Step 5: Solve for x
    x = 1,791,938,258.46/53,472.60
  6. Step 6: Final answer
    x = 33,511.34

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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.