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Finding the Fourth Proportional to 59,797.74, 89,696.77 and 17,678.55

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Solution

The fourth proportional to 59,797.74, 89,696.77 and 17,678.55 is: 26,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,797.74 : 89,696.77 = 17,678.55 : x
  2. Step 2: Convert to fraction form
    59,797.74/89,696.77 = 17,678.55/x
  3. Step 3: Cross multiply
    59,797.74x = 89,696.77 × 17,678.55
  4. Step 4: Simplify right side
    59,797.74x = 1,585,709,125.45
  5. Step 5: Solve for x
    x = 1,585,709,125.45/59,797.74
  6. Step 6: Final answer
    x = 26,517.88

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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.