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Finding the Fourth Proportional to 66,614.25, 91,927.68 and 36,806.25

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Solution

The fourth proportional to 66,614.25, 91,927.68 and 36,806.25 is: 50,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,614.25 : 91,927.68 = 36,806.25 : x
  2. Step 2: Convert to fraction form
    66,614.25/91,927.68 = 36,806.25/x
  3. Step 3: Cross multiply
    66,614.25x = 91,927.68 × 36,806.25
  4. Step 4: Simplify right side
    66,614.25x = 3,383,513,172.00
  5. Step 5: Solve for x
    x = 3,383,513,172.00/66,614.25
  6. Step 6: Final answer
    x = 50,792.63

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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.