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Finding the Fourth Proportional to 62,498, 93,761.32 and 18,128.32

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Solution

The fourth proportional to 62,498, 93,761.32 and 18,128.32 is: 27,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,498 : 93,761.32 = 18,128.32 : x
  2. Step 2: Convert to fraction form
    62,498/93,761.32 = 18,128.32/x
  3. Step 3: Cross multiply
    62,498x = 93,761.32 × 18,128.32
  4. Step 4: Simplify right side
    62,498x = 1,699,735,212.58
  5. Step 5: Solve for x
    x = 1,699,735,212.58/62,498
  6. Step 6: Final answer
    x = 27,196.63

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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.