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Finding the Fourth Proportional to 66,243.26, 91,414.80 and 36,027.94

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Solution

The fourth proportional to 66,243.26, 91,414.80 and 36,027.94 is: 49,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,243.26 : 91,414.80 = 36,027.94 : x
  2. Step 2: Convert to fraction form
    66,243.26/91,414.80 = 36,027.94/x
  3. Step 3: Cross multiply
    66,243.26x = 91,414.80 × 36,027.94
  4. Step 4: Simplify right side
    66,243.26x = 3,293,486,929.51
  5. Step 5: Solve for x
    x = 3,293,486,929.51/66,243.26
  6. Step 6: Final answer
    x = 49,718.07

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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.