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Finding the Fourth Proportional to 8,575.58, 12,863.88 and 3,310.63

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Solution

The fourth proportional to 8,575.58, 12,863.88 and 3,310.63 is: 4,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.58 : 12,863.88 = 3,310.63 : x
  2. Step 2: Convert to fraction form
    8,575.58/12,863.88 = 3,310.63/x
  3. Step 3: Cross multiply
    8,575.58x = 12,863.88 × 3,310.63
  4. Step 4: Simplify right side
    8,575.58x = 42,587,514.88
  5. Step 5: Solve for x
    x = 42,587,514.88/8,575.58
  6. Step 6: Final answer
    x = 4,966.14

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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.