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Finding the Fourth Proportional to 62,616.58, 86,398.11 and 37,111.70

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Solution

The fourth proportional to 62,616.58, 86,398.11 and 37,111.70 is: 51,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,616.58 : 86,398.11 = 37,111.70 : x
  2. Step 2: Convert to fraction form
    62,616.58/86,398.11 = 37,111.70/x
  3. Step 3: Cross multiply
    62,616.58x = 86,398.11 × 37,111.70
  4. Step 4: Simplify right side
    62,616.58x = 3,206,380,954.88
  5. Step 5: Solve for x
    x = 3,206,380,954.88/62,616.58
  6. Step 6: Final answer
    x = 51,206.58

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1.5x scale

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.