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Finding the Fourth Proportional to 44,828, 61,841.88 and 28,917.58

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Solution

The fourth proportional to 44,828, 61,841.88 and 28,917.58 is: 39,892.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,828 : 61,841.88 = 28,917.58 : x
  2. Step 2: Convert to fraction form
    44,828/61,841.88 = 28,917.58/x
  3. Step 3: Cross multiply
    44,828x = 61,841.88 × 28,917.58
  4. Step 4: Simplify right side
    44,828x = 1,788,317,512.25
  5. Step 5: Solve for x
    x = 1,788,317,512.25/44,828
  6. Step 6: Final answer
    x = 39,892.87

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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.