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Finding the Fourth Proportional to 62,765.06, 86,616.25 and 35,905.91

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Solution

The fourth proportional to 62,765.06, 86,616.25 and 35,905.91 is: 49,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,765.06 : 86,616.25 = 35,905.91 : x
  2. Step 2: Convert to fraction form
    62,765.06/86,616.25 = 35,905.91/x
  3. Step 3: Cross multiply
    62,765.06x = 86,616.25 × 35,905.91
  4. Step 4: Simplify right side
    62,765.06x = 3,110,034,754.19
  5. Step 5: Solve for x
    x = 3,110,034,754.19/62,765.06
  6. Step 6: Final answer
    x = 49,550.42

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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.