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Finding the Fourth Proportional to 8,714.97, 13,074.62 and 2,871.63

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Solution

The fourth proportional to 8,714.97, 13,074.62 and 2,871.63 is: 4,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.97 : 13,074.62 = 2,871.63 : x
  2. Step 2: Convert to fraction form
    8,714.97/13,074.62 = 2,871.63/x
  3. Step 3: Cross multiply
    8,714.97x = 13,074.62 × 2,871.63
  4. Step 4: Simplify right side
    8,714.97x = 37,545,456.67
  5. Step 5: Solve for x
    x = 37,545,456.67/8,714.97
  6. Step 6: Final answer
    x = 4,308.16

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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.