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Finding the Fourth Proportional to 8,714.42, 13,070.54 and 3,167.54

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Solution

The fourth proportional to 8,714.42, 13,070.54 and 3,167.54 is: 4,750.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.42 : 13,070.54 = 3,167.54 : x
  2. Step 2: Convert to fraction form
    8,714.42/13,070.54 = 3,167.54/x
  3. Step 3: Cross multiply
    8,714.42x = 13,070.54 × 3,167.54
  4. Step 4: Simplify right side
    8,714.42x = 41,401,377.08
  5. Step 5: Solve for x
    x = 41,401,377.08/8,714.42
  6. Step 6: Final answer
    x = 4,750.91

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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.