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Finding the Fourth Proportional to 59,929.71, 82,702.91 and 33,072.22

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Solution

The fourth proportional to 59,929.71, 82,702.91 and 33,072.22 is: 45,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,929.71 : 82,702.91 = 33,072.22 : x
  2. Step 2: Convert to fraction form
    59,929.71/82,702.91 = 33,072.22/x
  3. Step 3: Cross multiply
    59,929.71x = 82,702.91 × 33,072.22
  4. Step 4: Simplify right side
    59,929.71x = 2,735,168,420.65
  5. Step 5: Solve for x
    x = 2,735,168,420.65/59,929.71
  6. Step 6: Final answer
    x = 45,639.61

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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.