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Finding the Fourth Proportional to 66,600.08, 91,907.96 and 36,792.08

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Solution

The fourth proportional to 66,600.08, 91,907.96 and 36,792.08 is: 50,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,600.08 : 91,907.96 = 36,792.08 : x
  2. Step 2: Convert to fraction form
    66,600.08/91,907.96 = 36,792.08/x
  3. Step 3: Cross multiply
    66,600.08x = 91,907.96 × 36,792.08
  4. Step 4: Simplify right side
    66,600.08x = 3,381,485,016.96
  5. Step 5: Solve for x
    x = 3,381,485,016.96/66,600.08
  6. Step 6: Final answer
    x = 50,772.99

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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.