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Finding the Fourth Proportional to 33,593,978.60, 50,353,643.10 and 18,458,772.20

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Solution

The fourth proportional to 33,593,978.60, 50,353,643.10 and 18,458,772.20 is: 27,667,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,593,978.60 : 50,353,643.10 = 18,458,772.20 : x
  2. Step 2: Convert to fraction form
    33,593,978.60/50,353,643.10 = 18,458,772.20/x
  3. Step 3: Cross multiply
    33,593,978.60x = 50,353,643.10 × 18,458,772.20
  4. Step 4: Simplify right side
    33,593,978.60x = 929,466,427,423,001.75
  5. Step 5: Solve for x
    x = 929,466,427,423,001.75/33,593,978.60
  6. Step 6: Final answer
    x = 27,667,649.57

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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.