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Finding the Fourth Proportional to 38,873.78, 58,300.94 and 11,171.78

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Solution

The fourth proportional to 38,873.78, 58,300.94 and 11,171.78 is: 16,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,873.78 : 58,300.94 = 11,171.78 : x
  2. Step 2: Convert to fraction form
    38,873.78/58,300.94 = 11,171.78/x
  3. Step 3: Cross multiply
    38,873.78x = 58,300.94 × 11,171.78
  4. Step 4: Simplify right side
    38,873.78x = 651,325,275.47
  5. Step 5: Solve for x
    x = 651,325,275.47/38,873.78
  6. Step 6: Final answer
    x = 16,754.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.