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Finding the Fourth Proportional to 83,530.94, 125,358.68 and 33,611.46

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Solution

The fourth proportional to 83,530.94, 125,358.68 and 33,611.46 is: 50,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,530.94 : 125,358.68 = 33,611.46 : x
  2. Step 2: Convert to fraction form
    83,530.94/125,358.68 = 33,611.46/x
  3. Step 3: Cross multiply
    83,530.94x = 125,358.68 × 33,611.46
  4. Step 4: Simplify right side
    83,530.94x = 4,213,488,090.42
  5. Step 5: Solve for x
    x = 4,213,488,090.42/83,530.94
  6. Step 6: Final answer
    x = 50,442.25

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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.