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Finding the Fourth Proportional to 45,891.74, 68,819.09 and 17,797.01

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Solution

The fourth proportional to 45,891.74, 68,819.09 and 17,797.01 is: 26,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,891.74 : 68,819.09 = 17,797.01 : x
  2. Step 2: Convert to fraction form
    45,891.74/68,819.09 = 17,797.01/x
  3. Step 3: Cross multiply
    45,891.74x = 68,819.09 × 17,797.01
  4. Step 4: Simplify right side
    45,891.74x = 1,224,773,599.84
  5. Step 5: Solve for x
    x = 1,224,773,599.84/45,891.74
  6. Step 6: Final answer
    x = 26,688.32

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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.