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Finding the Fourth Proportional to 4,917.09, 7,375.68 and 1,454.34

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Solution

The fourth proportional to 4,917.09, 7,375.68 and 1,454.34 is: 2,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.09 : 7,375.68 = 1,454.34 : x
  2. Step 2: Convert to fraction form
    4,917.09/7,375.68 = 1,454.34/x
  3. Step 3: Cross multiply
    4,917.09x = 7,375.68 × 1,454.34
  4. Step 4: Simplify right side
    4,917.09x = 10,726,746.45
  5. Step 5: Solve for x
    x = 10,726,746.45/4,917.09
  6. Step 6: Final answer
    x = 2,181.52

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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.