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Finding the Fourth Proportional to 62,713.95, 86,538.74 and 35,493.09

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Solution

The fourth proportional to 62,713.95, 86,538.74 and 35,493.09 is: 48,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,713.95 : 86,538.74 = 35,493.09 : x
  2. Step 2: Convert to fraction form
    62,713.95/86,538.74 = 35,493.09/x
  3. Step 3: Cross multiply
    62,713.95x = 86,538.74 × 35,493.09
  4. Step 4: Simplify right side
    62,713.95x = 3,071,527,109.84
  5. Step 5: Solve for x
    x = 3,071,527,109.84/62,713.95
  6. Step 6: Final answer
    x = 48,976.78

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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.