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Finding the Fourth Proportional to 47,070.88, 64,963.57 and 27,198.88

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Solution

The fourth proportional to 47,070.88, 64,963.57 and 27,198.88 is: 37,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,070.88 : 64,963.57 = 27,198.88 : x
  2. Step 2: Convert to fraction form
    47,070.88/64,963.57 = 27,198.88/x
  3. Step 3: Cross multiply
    47,070.88x = 64,963.57 × 27,198.88
  4. Step 4: Simplify right side
    47,070.88x = 1,766,936,019.98
  5. Step 5: Solve for x
    x = 1,766,936,019.98/47,070.88
  6. Step 6: Final answer
    x = 37,537.78

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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.