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Finding the Fourth Proportional to 59,921.40, 89,838.90 and 33,634.20

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Solution

The fourth proportional to 59,921.40, 89,838.90 and 33,634.20 is: 50,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,921.40 : 89,838.90 = 33,634.20 : x
  2. Step 2: Convert to fraction form
    59,921.40/89,838.90 = 33,634.20/x
  3. Step 3: Cross multiply
    59,921.40x = 89,838.90 × 33,634.20
  4. Step 4: Simplify right side
    59,921.40x = 3,021,659,530.38
  5. Step 5: Solve for x
    x = 3,021,659,530.38/59,921.40
  6. Step 6: Final answer
    x = 50,427.05

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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.