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Finding the Fourth Proportional to 7,794.70, 11,693.61 and 2,795.74

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Solution

The fourth proportional to 7,794.70, 11,693.61 and 2,795.74 is: 4,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.70 : 11,693.61 = 2,795.74 : x
  2. Step 2: Convert to fraction form
    7,794.70/11,693.61 = 2,795.74/x
  3. Step 3: Cross multiply
    7,794.70x = 11,693.61 × 2,795.74
  4. Step 4: Simplify right side
    7,794.70x = 32,692,293.22
  5. Step 5: Solve for x
    x = 32,692,293.22/7,794.70
  6. Step 6: Final answer
    x = 4,194.17

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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.