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Finding the Fourth Proportional to 2,998.92, 4,495 and 1,436.77

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Solution

The fourth proportional to 2,998.92, 4,495 and 1,436.77 is: 2,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.92 : 4,495 = 1,436.77 : x
  2. Step 2: Convert to fraction form
    2,998.92/4,495 = 1,436.77/x
  3. Step 3: Cross multiply
    2,998.92x = 4,495 × 1,436.77
  4. Step 4: Simplify right side
    2,998.92x = 6,458,281.15
  5. Step 5: Solve for x
    x = 6,458,281.15/2,998.92
  6. Step 6: Final answer
    x = 2,153.54

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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.