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Finding the Fourth Proportional to 62,817.81, 86,694.67 and 35,964.15

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Solution

The fourth proportional to 62,817.81, 86,694.67 and 35,964.15 is: 49,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,817.81 : 86,694.67 = 35,964.15 : x
  2. Step 2: Convert to fraction form
    62,817.81/86,694.67 = 35,964.15/x
  3. Step 3: Cross multiply
    62,817.81x = 86,694.67 × 35,964.15
  4. Step 4: Simplify right side
    62,817.81x = 3,117,900,116.08
  5. Step 5: Solve for x
    x = 3,117,900,116.08/62,817.81
  6. Step 6: Final answer
    x = 49,634.01

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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.