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Finding the Fourth Proportional to 66,164.16, 91,305.43 and 35,949.95

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Solution

The fourth proportional to 66,164.16, 91,305.43 and 35,949.95 is: 49,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,164.16 : 91,305.43 = 35,949.95 : x
  2. Step 2: Convert to fraction form
    66,164.16/91,305.43 = 35,949.95/x
  3. Step 3: Cross multiply
    66,164.16x = 91,305.43 × 35,949.95
  4. Step 4: Simplify right side
    66,164.16x = 3,282,425,186.70
  5. Step 5: Solve for x
    x = 3,282,425,186.70/66,164.16
  6. Step 6: Final answer
    x = 49,610.32

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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.