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Finding the Fourth Proportional to 48,395.88, 66,786.73 and 27,177.12

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Solution

The fourth proportional to 48,395.88, 66,786.73 and 27,177.12 is: 37,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,395.88 : 66,786.73 = 27,177.12 : x
  2. Step 2: Convert to fraction form
    48,395.88/66,786.73 = 27,177.12/x
  3. Step 3: Cross multiply
    48,395.88x = 66,786.73 × 27,177.12
  4. Step 4: Simplify right side
    48,395.88x = 1,815,070,907.67
  5. Step 5: Solve for x
    x = 1,815,070,907.67/48,395.88
  6. Step 6: Final answer
    x = 37,504.66

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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.