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Finding the Fourth Proportional to 4,734.74, 7,098.78 and 2,100.82

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Solution

The fourth proportional to 4,734.74, 7,098.78 and 2,100.82 is: 3,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734.74 : 7,098.78 = 2,100.82 : x
  2. Step 2: Convert to fraction form
    4,734.74/7,098.78 = 2,100.82/x
  3. Step 3: Cross multiply
    4,734.74x = 7,098.78 × 2,100.82
  4. Step 4: Simplify right side
    4,734.74x = 14,913,259.00
  5. Step 5: Solve for x
    x = 14,913,259.00/4,734.74
  6. Step 6: Final answer
    x = 3,149.75

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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.