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Finding the Fourth Proportional to 83,553.96, 125,301.74 and 33,621.10

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Solution

The fourth proportional to 83,553.96, 125,301.74 and 33,621.10 is: 50,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,553.96 : 125,301.74 = 33,621.10 : x
  2. Step 2: Convert to fraction form
    83,553.96/125,301.74 = 33,621.10/x
  3. Step 3: Cross multiply
    83,553.96x = 125,301.74 × 33,621.10
  4. Step 4: Simplify right side
    83,553.96x = 4,212,782,330.71
  5. Step 5: Solve for x
    x = 4,212,782,330.71/83,553.96
  6. Step 6: Final answer
    x = 50,419.90

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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.