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Finding the Fourth Proportional to 4,687.07, 7,027.13 and 2,837.74

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Solution

The fourth proportional to 4,687.07, 7,027.13 and 2,837.74 is: 4,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.07 : 7,027.13 = 2,837.74 : x
  2. Step 2: Convert to fraction form
    4,687.07/7,027.13 = 2,837.74/x
  3. Step 3: Cross multiply
    4,687.07x = 7,027.13 × 2,837.74
  4. Step 4: Simplify right side
    4,687.07x = 19,941,167.89
  5. Step 5: Solve for x
    x = 19,941,167.89/4,687.07
  6. Step 6: Final answer
    x = 4,254.51

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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.