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Finding the Fourth Proportional to 2,937.88, 4,395.84 and 2,905.08

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Solution

The fourth proportional to 2,937.88, 4,395.84 and 2,905.08 is: 4,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.88 : 4,395.84 = 2,905.08 : x
  2. Step 2: Convert to fraction form
    2,937.88/4,395.84 = 2,905.08/x
  3. Step 3: Cross multiply
    2,937.88x = 4,395.84 × 2,905.08
  4. Step 4: Simplify right side
    2,937.88x = 12,770,266.87
  5. Step 5: Solve for x
    x = 12,770,266.87/2,937.88
  6. Step 6: Final answer
    x = 4,346.76

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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.