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Finding the Fourth Proportional to 18,593.01, 27,889.52 and 4,742.01

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Solution

The fourth proportional to 18,593.01, 27,889.52 and 4,742.01 is: 7,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.01 : 27,889.52 = 4,742.01 : x
  2. Step 2: Convert to fraction form
    18,593.01/27,889.52 = 4,742.01/x
  3. Step 3: Cross multiply
    18,593.01x = 27,889.52 × 4,742.01
  4. Step 4: Simplify right side
    18,593.01x = 132,252,359.03
  5. Step 5: Solve for x
    x = 132,252,359.03/18,593.01
  6. Step 6: Final answer
    x = 7,113.02

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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.