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Finding the Fourth Proportional to 4,998.60, 7,495.74 and 3,845.16

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Solution

The fourth proportional to 4,998.60, 7,495.74 and 3,845.16 is: 5,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.60 : 7,495.74 = 3,845.16 : x
  2. Step 2: Convert to fraction form
    4,998.60/7,495.74 = 3,845.16/x
  3. Step 3: Cross multiply
    4,998.60x = 7,495.74 × 3,845.16
  4. Step 4: Simplify right side
    4,998.60x = 28,822,319.62
  5. Step 5: Solve for x
    x = 28,822,319.62/4,998.60
  6. Step 6: Final answer
    x = 5,766.08

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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.