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Finding the Fourth Proportional to 2,867.70, 4,297.90 and 2,495.96

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Solution

The fourth proportional to 2,867.70, 4,297.90 and 2,495.96 is: 3,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.70 : 4,297.90 = 2,495.96 : x
  2. Step 2: Convert to fraction form
    2,867.70/4,297.90 = 2,495.96/x
  3. Step 3: Cross multiply
    2,867.70x = 4,297.90 × 2,495.96
  4. Step 4: Simplify right side
    2,867.70x = 10,727,386.48
  5. Step 5: Solve for x
    x = 10,727,386.48/2,867.70
  6. Step 6: Final answer
    x = 3,740.76

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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.