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Finding the Fourth Proportional to 73,736.25, 110,604.80 and 18,332.25

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Solution

The fourth proportional to 73,736.25, 110,604.80 and 18,332.25 is: 27,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,736.25 : 110,604.80 = 18,332.25 : x
  2. Step 2: Convert to fraction form
    73,736.25/110,604.80 = 18,332.25/x
  3. Step 3: Cross multiply
    73,736.25x = 110,604.80 × 18,332.25
  4. Step 4: Simplify right side
    73,736.25x = 2,027,634,753.14
  5. Step 5: Solve for x
    x = 2,027,634,753.14/73,736.25
  6. Step 6: Final answer
    x = 27,498.48

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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.