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Finding the Fourth Proportional to 73,736.88, 110,605.73 and 18,332.88

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Solution

The fourth proportional to 73,736.88, 110,605.73 and 18,332.88 is: 27,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,736.88 : 110,605.73 = 18,332.88 : x
  2. Step 2: Convert to fraction form
    73,736.88/110,605.73 = 18,332.88/x
  3. Step 3: Cross multiply
    73,736.88x = 110,605.73 × 18,332.88
  4. Step 4: Simplify right side
    73,736.88x = 2,027,721,575.40
  5. Step 5: Solve for x
    x = 2,027,721,575.40/73,736.88
  6. Step 6: Final answer
    x = 27,499.42

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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.