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Finding the Fourth Proportional to 6,476, 9,714.72 and 2,093.28

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Solution

The fourth proportional to 6,476, 9,714.72 and 2,093.28 is: 3,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476 : 9,714.72 = 2,093.28 : x
  2. Step 2: Convert to fraction form
    6,476/9,714.72 = 2,093.28/x
  3. Step 3: Cross multiply
    6,476x = 9,714.72 × 2,093.28
  4. Step 4: Simplify right side
    6,476x = 20,335,629.08
  5. Step 5: Solve for x
    x = 20,335,629.08/6,476
  6. Step 6: Final answer
    x = 3,140.15

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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.