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Finding the Fourth Proportional to 59,886.81, 82,639.95 and 33,029.49

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Solution

The fourth proportional to 59,886.81, 82,639.95 and 33,029.49 is: 45,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,886.81 : 82,639.95 = 33,029.49 : x
  2. Step 2: Convert to fraction form
    59,886.81/82,639.95 = 33,029.49/x
  3. Step 3: Cross multiply
    59,886.81x = 82,639.95 × 33,029.49
  4. Step 4: Simplify right side
    59,886.81x = 2,729,555,402.13
  5. Step 5: Solve for x
    x = 2,729,555,402.13/59,886.81
  6. Step 6: Final answer
    x = 45,578.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.