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Finding the Fourth Proportional to 9,369.54, 12,937.42 and 5,789.70

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Solution

The fourth proportional to 9,369.54, 12,937.42 and 5,789.70 is: 7,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.54 : 12,937.42 = 5,789.70 : x
  2. Step 2: Convert to fraction form
    9,369.54/12,937.42 = 5,789.70/x
  3. Step 3: Cross multiply
    9,369.54x = 12,937.42 × 5,789.70
  4. Step 4: Simplify right side
    9,369.54x = 74,903,780.57
  5. Step 5: Solve for x
    x = 74,903,780.57/9,369.54
  6. Step 6: Final answer
    x = 7,994.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.