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Finding the Fourth Proportional to 4,068.60, 6,098.10 and 1,728.60

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Solution

The fourth proportional to 4,068.60, 6,098.10 and 1,728.60 is: 2,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.60 : 6,098.10 = 1,728.60 : x
  2. Step 2: Convert to fraction form
    4,068.60/6,098.10 = 1,728.60/x
  3. Step 3: Cross multiply
    4,068.60x = 6,098.10 × 1,728.60
  4. Step 4: Simplify right side
    4,068.60x = 10,541,175.66
  5. Step 5: Solve for x
    x = 10,541,175.66/4,068.60
  6. Step 6: Final answer
    x = 2,590.86

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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.