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Finding the Fourth Proportional to 62,894.48, 86,799.30 and 36,043.58

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Solution

The fourth proportional to 62,894.48, 86,799.30 and 36,043.58 is: 49,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,894.48 : 86,799.30 = 36,043.58 : x
  2. Step 2: Convert to fraction form
    62,894.48/86,799.30 = 36,043.58/x
  3. Step 3: Cross multiply
    62,894.48x = 86,799.30 × 36,043.58
  4. Step 4: Simplify right side
    62,894.48x = 3,128,557,595.33
  5. Step 5: Solve for x
    x = 3,128,557,595.33/62,894.48
  6. Step 6: Final answer
    x = 49,742.96

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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.