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Finding the Fourth Proportional to 39,754.64, 54,853.80 and 27,174.80

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Solution

The fourth proportional to 39,754.64, 54,853.80 and 27,174.80 is: 37,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,754.64 : 54,853.80 = 27,174.80 : x
  2. Step 2: Convert to fraction form
    39,754.64/54,853.80 = 27,174.80/x
  3. Step 3: Cross multiply
    39,754.64x = 54,853.80 × 27,174.80
  4. Step 4: Simplify right side
    39,754.64x = 1,490,641,044.24
  5. Step 5: Solve for x
    x = 1,490,641,044.24/39,754.64
  6. Step 6: Final answer
    x = 37,496.03

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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.