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Finding the Fourth Proportional to 59,486.91, 89,220.79 and 17,357.09

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Solution

The fourth proportional to 59,486.91, 89,220.79 and 17,357.09 is: 26,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,486.91 : 89,220.79 = 17,357.09 : x
  2. Step 2: Convert to fraction form
    59,486.91/89,220.79 = 17,357.09/x
  3. Step 3: Cross multiply
    59,486.91x = 89,220.79 × 17,357.09
  4. Step 4: Simplify right side
    59,486.91x = 1,548,612,857.49
  5. Step 5: Solve for x
    x = 1,548,612,857.49/59,486.91
  6. Step 6: Final answer
    x = 26,032.84

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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.