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Finding the Fourth Proportional to 3,144.77, 4,720.04 and 3,133.01

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Solution

The fourth proportional to 3,144.77, 4,720.04 and 3,133.01 is: 4,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.77 : 4,720.04 = 3,133.01 : x
  2. Step 2: Convert to fraction form
    3,144.77/4,720.04 = 3,133.01/x
  3. Step 3: Cross multiply
    3,144.77x = 4,720.04 × 3,133.01
  4. Step 4: Simplify right side
    3,144.77x = 14,787,932.52
  5. Step 5: Solve for x
    x = 14,787,932.52/3,144.77
  6. Step 6: Final answer
    x = 4,702.39

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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.