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Finding the Fourth Proportional to 4,293.88, 6,444.87 and 2,215.35

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Solution

The fourth proportional to 4,293.88, 6,444.87 and 2,215.35 is: 3,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.88 : 6,444.87 = 2,215.35 : x
  2. Step 2: Convert to fraction form
    4,293.88/6,444.87 = 2,215.35/x
  3. Step 3: Cross multiply
    4,293.88x = 6,444.87 × 2,215.35
  4. Step 4: Simplify right side
    4,293.88x = 14,277,634.45
  5. Step 5: Solve for x
    x = 14,277,634.45/4,293.88
  6. Step 6: Final answer
    x = 3,325.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.