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Finding the Fourth Proportional to 73,593.36, 110,390.76 and 18,189.36

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Solution

The fourth proportional to 73,593.36, 110,390.76 and 18,189.36 is: 27,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,593.36 : 110,390.76 = 18,189.36 : x
  2. Step 2: Convert to fraction form
    73,593.36/110,390.76 = 18,189.36/x
  3. Step 3: Cross multiply
    73,593.36x = 110,390.76 × 18,189.36
  4. Step 4: Simplify right side
    73,593.36x = 2,007,937,274.31
  5. Step 5: Solve for x
    x = 2,007,937,274.31/73,593.36
  6. Step 6: Final answer
    x = 27,284.22

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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.