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Finding the Fourth Proportional to 66,464.13, 91,717.97 and 36,656.13

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Solution

The fourth proportional to 66,464.13, 91,717.97 and 36,656.13 is: 50,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.13 : 91,717.97 = 36,656.13 : x
  2. Step 2: Convert to fraction form
    66,464.13/91,717.97 = 36,656.13/x
  3. Step 3: Cross multiply
    66,464.13x = 91,717.97 × 36,656.13
  4. Step 4: Simplify right side
    66,464.13x = 3,362,025,648.38
  5. Step 5: Solve for x
    x = 3,362,025,648.38/66,464.13
  6. Step 6: Final answer
    x = 50,584.06

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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.