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Finding the Fourth Proportional to 66,178.44, 91,325.95 and 35,963.19

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Solution

The fourth proportional to 66,178.44, 91,325.95 and 35,963.19 is: 49,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178.44 : 91,325.95 = 35,963.19 : x
  2. Step 2: Convert to fraction form
    66,178.44/91,325.95 = 35,963.19/x
  3. Step 3: Cross multiply
    66,178.44x = 91,325.95 × 35,963.19
  4. Step 4: Simplify right side
    66,178.44x = 3,284,372,401.87
  5. Step 5: Solve for x
    x = 3,284,372,401.87/66,178.44
  6. Step 6: Final answer
    x = 49,629.04

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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.