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Finding the Fourth Proportional to 3,385.17, 5,064.17 and 2,927.88

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Solution

The fourth proportional to 3,385.17, 5,064.17 and 2,927.88 is: 4,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.17 : 5,064.17 = 2,927.88 : x
  2. Step 2: Convert to fraction form
    3,385.17/5,064.17 = 2,927.88/x
  3. Step 3: Cross multiply
    3,385.17x = 5,064.17 × 2,927.88
  4. Step 4: Simplify right side
    3,385.17x = 14,827,267.42
  5. Step 5: Solve for x
    x = 14,827,267.42/3,385.17
  6. Step 6: Final answer
    x = 4,380.07

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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.