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Finding the Fourth Proportional to 59,878.99, 89,769.76 and 22,418.08

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Solution

The fourth proportional to 59,878.99, 89,769.76 and 22,418.08 is: 33,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,878.99 : 89,769.76 = 22,418.08 : x
  2. Step 2: Convert to fraction form
    59,878.99/89,769.76 = 22,418.08/x
  3. Step 3: Cross multiply
    59,878.99x = 89,769.76 × 22,418.08
  4. Step 4: Simplify right side
    59,878.99x = 2,012,465,661.26
  5. Step 5: Solve for x
    x = 2,012,465,661.26/59,878.99
  6. Step 6: Final answer
    x = 33,608.88

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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.