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Finding the Fourth Proportional to 66,101.94, 91,217.97 and 35,886.09

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Solution

The fourth proportional to 66,101.94, 91,217.97 and 35,886.09 is: 49,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,101.94 : 91,217.97 = 35,886.09 : x
  2. Step 2: Convert to fraction form
    66,101.94/91,217.97 = 35,886.09/x
  3. Step 3: Cross multiply
    66,101.94x = 91,217.97 × 35,886.09
  4. Step 4: Simplify right side
    66,101.94x = 3,273,456,281.04
  5. Step 5: Solve for x
    x = 3,273,456,281.04/66,101.94
  6. Step 6: Final answer
    x = 49,521.33

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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.