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Finding the Fourth Proportional to 73,891.17, 110,836.71 and 18,487.17

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Solution

The fourth proportional to 73,891.17, 110,836.71 and 18,487.17 is: 27,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,891.17 : 110,836.71 = 18,487.17 : x
  2. Step 2: Convert to fraction form
    73,891.17/110,836.71 = 18,487.17/x
  3. Step 3: Cross multiply
    73,891.17x = 110,836.71 × 18,487.17
  4. Step 4: Simplify right side
    73,891.17x = 2,049,057,100.01
  5. Step 5: Solve for x
    x = 2,049,057,100.01/73,891.17
  6. Step 6: Final answer
    x = 27,730.74

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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.