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Finding the Fourth Proportional to 2,998.96, 4,491.51 and 2,895.16

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Solution

The fourth proportional to 2,998.96, 4,491.51 and 2,895.16 is: 4,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.96 : 4,491.51 = 2,895.16 : x
  2. Step 2: Convert to fraction form
    2,998.96/4,491.51 = 2,895.16/x
  3. Step 3: Cross multiply
    2,998.96x = 4,491.51 × 2,895.16
  4. Step 4: Simplify right side
    2,998.96x = 13,003,640.09
  5. Step 5: Solve for x
    x = 13,003,640.09/2,998.96
  6. Step 6: Final answer
    x = 4,336.05

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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.