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Finding the Fourth Proportional to 59,889.76, 82,643.28 and 33,033.28

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Solution

The fourth proportional to 59,889.76, 82,643.28 and 33,033.28 is: 45,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,889.76 : 82,643.28 = 33,033.28 : x
  2. Step 2: Convert to fraction form
    59,889.76/82,643.28 = 33,033.28/x
  3. Step 3: Cross multiply
    59,889.76x = 82,643.28 × 33,033.28
  4. Step 4: Simplify right side
    59,889.76x = 2,729,978,608.36
  5. Step 5: Solve for x
    x = 2,729,978,608.36/59,889.76
  6. Step 6: Final answer
    x = 45,583.40

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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.