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Finding the Fourth Proportional to 45,100.44, 67,656.81 and 18,799.02

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Solution

The fourth proportional to 45,100.44, 67,656.81 and 18,799.02 is: 28,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,100.44 : 67,656.81 = 18,799.02 : x
  2. Step 2: Convert to fraction form
    45,100.44/67,656.81 = 18,799.02/x
  3. Step 3: Cross multiply
    45,100.44x = 67,656.81 × 18,799.02
  4. Step 4: Simplify right side
    45,100.44x = 1,271,881,724.33
  5. Step 5: Solve for x
    x = 1,271,881,724.33/45,100.44
  6. Step 6: Final answer
    x = 28,201.09

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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.