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Finding the Fourth Proportional to 3,029.76, 4,210.08 and 2,998.08

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Solution

The fourth proportional to 3,029.76, 4,210.08 and 2,998.08 is: 4,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.76 : 4,210.08 = 2,998.08 : x
  2. Step 2: Convert to fraction form
    3,029.76/4,210.08 = 2,998.08/x
  3. Step 3: Cross multiply
    3,029.76x = 4,210.08 × 2,998.08
  4. Step 4: Simplify right side
    3,029.76x = 12,622,156.65
  5. Step 5: Solve for x
    x = 12,622,156.65/3,029.76
  6. Step 6: Final answer
    x = 4,166.06

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.