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Finding the Fourth Proportional to 48,456.51, 66,866.55 and 27,238.97

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Solution

The fourth proportional to 48,456.51, 66,866.55 and 27,238.97 is: 37,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456.51 : 66,866.55 = 27,238.97 : x
  2. Step 2: Convert to fraction form
    48,456.51/66,866.55 = 27,238.97/x
  3. Step 3: Cross multiply
    48,456.51x = 66,866.55 × 27,238.97
  4. Step 4: Simplify right side
    48,456.51x = 1,821,375,615.12
  5. Step 5: Solve for x
    x = 1,821,375,615.12/48,456.51
  6. Step 6: Final answer
    x = 37,587.84

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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.