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Finding the Fourth Proportional to 4,256.51, 6,387.51 and 2,408.96

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Solution

The fourth proportional to 4,256.51, 6,387.51 and 2,408.96 is: 3,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.51 : 6,387.51 = 2,408.96 : x
  2. Step 2: Convert to fraction form
    4,256.51/6,387.51 = 2,408.96/x
  3. Step 3: Cross multiply
    4,256.51x = 6,387.51 × 2,408.96
  4. Step 4: Simplify right side
    4,256.51x = 15,387,224.15
  5. Step 5: Solve for x
    x = 15,387,224.15/4,256.51
  6. Step 6: Final answer
    x = 3,614.98

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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.