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Finding the Fourth Proportional to 66,600.07, 91,908.09 and 36,792.07

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Solution

The fourth proportional to 66,600.07, 91,908.09 and 36,792.07 is: 50,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,600.07 : 91,908.09 = 36,792.07 : x
  2. Step 2: Convert to fraction form
    66,600.07/91,908.09 = 36,792.07/x
  3. Step 3: Cross multiply
    66,600.07x = 91,908.09 × 36,792.07
  4. Step 4: Simplify right side
    66,600.07x = 3,381,488,237.35
  5. Step 5: Solve for x
    x = 3,381,488,237.35/66,600.07
  6. Step 6: Final answer
    x = 50,773.05

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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.