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Finding the Fourth Proportional to 62,370.96, 86,065.28 and 36,878.29

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Solution

The fourth proportional to 62,370.96, 86,065.28 and 36,878.29 is: 50,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,370.96 : 86,065.28 = 36,878.29 : x
  2. Step 2: Convert to fraction form
    62,370.96/86,065.28 = 36,878.29/x
  3. Step 3: Cross multiply
    62,370.96x = 86,065.28 × 36,878.29
  4. Step 4: Simplify right side
    62,370.96x = 3,173,940,300.95
  5. Step 5: Solve for x
    x = 3,173,940,300.95/62,370.96
  6. Step 6: Final answer
    x = 50,888.11

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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.