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Finding the Fourth Proportional to 5,612.91, 7,746.51 and 3,375.96

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Solution

The fourth proportional to 5,612.91, 7,746.51 and 3,375.96 is: 4,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.91 : 7,746.51 = 3,375.96 : x
  2. Step 2: Convert to fraction form
    5,612.91/7,746.51 = 3,375.96/x
  3. Step 3: Cross multiply
    5,612.91x = 7,746.51 × 3,375.96
  4. Step 4: Simplify right side
    5,612.91x = 26,151,907.90
  5. Step 5: Solve for x
    x = 26,151,907.90/5,612.91
  6. Step 6: Final answer
    x = 4,659.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.