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Finding the Fourth Proportional to 58,467.76, 87,714.60 and 27,286

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Solution

The fourth proportional to 58,467.76, 87,714.60 and 27,286 is: 40,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,467.76 : 87,714.60 = 27,286 : x
  2. Step 2: Convert to fraction form
    58,467.76/87,714.60 = 27,286/x
  3. Step 3: Cross multiply
    58,467.76x = 87,714.60 × 27,286
  4. Step 4: Simplify right side
    58,467.76x = 2,393,380,575.60
  5. Step 5: Solve for x
    x = 2,393,380,575.60/58,467.76
  6. Step 6: Final answer
    x = 40,935.05

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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.