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Finding the Fourth Proportional to 4,789.94, 7,185.11 and 4,708.13

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Solution

The fourth proportional to 4,789.94, 7,185.11 and 4,708.13 is: 7,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.94 : 7,185.11 = 4,708.13 : x
  2. Step 2: Convert to fraction form
    4,789.94/7,185.11 = 4,708.13/x
  3. Step 3: Cross multiply
    4,789.94x = 7,185.11 × 4,708.13
  4. Step 4: Simplify right side
    4,789.94x = 33,828,372.48
  5. Step 5: Solve for x
    x = 33,828,372.48/4,789.94
  6. Step 6: Final answer
    x = 7,062.39

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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.