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Finding the Fourth Proportional to 83,603.20, 125,433.60 and 36,889.60

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Solution

The fourth proportional to 83,603.20, 125,433.60 and 36,889.60 is: 55,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,603.20 : 125,433.60 = 36,889.60 : x
  2. Step 2: Convert to fraction form
    83,603.20/125,433.60 = 36,889.60/x
  3. Step 3: Cross multiply
    83,603.20x = 125,433.60 × 36,889.60
  4. Step 4: Simplify right side
    83,603.20x = 4,627,195,330.56
  5. Step 5: Solve for x
    x = 4,627,195,330.56/83,603.20
  6. Step 6: Final answer
    x = 55,347.11

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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.