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Finding the Fourth Proportional to 73,892.17, 110,838.21 and 18,488.17

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Solution

The fourth proportional to 73,892.17, 110,838.21 and 18,488.17 is: 27,732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,892.17 : 110,838.21 = 18,488.17 : x
  2. Step 2: Convert to fraction form
    73,892.17/110,838.21 = 18,488.17/x
  3. Step 3: Cross multiply
    73,892.17x = 110,838.21 × 18,488.17
  4. Step 4: Simplify right side
    73,892.17x = 2,049,195,668.98
  5. Step 5: Solve for x
    x = 2,049,195,668.98/73,892.17
  6. Step 6: Final answer
    x = 27,732.24

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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.