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Finding the Fourth Proportional to 48,951.84, 67,556.88 and 27,731.28

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Solution

The fourth proportional to 48,951.84, 67,556.88 and 27,731.28 is: 38,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,951.84 : 67,556.88 = 27,731.28 : x
  2. Step 2: Convert to fraction form
    48,951.84/67,556.88 = 27,731.28/x
  3. Step 3: Cross multiply
    48,951.84x = 67,556.88 × 27,731.28
  4. Step 4: Simplify right side
    48,951.84x = 1,873,438,755.21
  5. Step 5: Solve for x
    x = 1,873,438,755.21/48,951.84
  6. Step 6: Final answer
    x = 38,271.06

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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.