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Finding the Fourth Proportional to 4,443.80, 6,669.80 and 2,254.06

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Solution

The fourth proportional to 4,443.80, 6,669.80 and 2,254.06 is: 3,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.80 : 6,669.80 = 2,254.06 : x
  2. Step 2: Convert to fraction form
    4,443.80/6,669.80 = 2,254.06/x
  3. Step 3: Cross multiply
    4,443.80x = 6,669.80 × 2,254.06
  4. Step 4: Simplify right side
    4,443.80x = 15,034,118.12
  5. Step 5: Solve for x
    x = 15,034,118.12/4,443.80
  6. Step 6: Final answer
    x = 3,383.17

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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.