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Finding the Fourth Proportional to 66,843.54, 100,265.45 and 27,393.57

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Solution

The fourth proportional to 66,843.54, 100,265.45 and 27,393.57 is: 41,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,843.54 : 100,265.45 = 27,393.57 : x
  2. Step 2: Convert to fraction form
    66,843.54/100,265.45 = 27,393.57/x
  3. Step 3: Cross multiply
    66,843.54x = 100,265.45 × 27,393.57
  4. Step 4: Simplify right side
    66,843.54x = 2,746,628,486.19
  5. Step 5: Solve for x
    x = 2,746,628,486.19/66,843.54
  6. Step 6: Final answer
    x = 41,090.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.