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Finding the Fourth Proportional to 7,751.97, 11,625.91 and 3,368.41

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Solution

The fourth proportional to 7,751.97, 11,625.91 and 3,368.41 is: 5,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.97 : 11,625.91 = 3,368.41 : x
  2. Step 2: Convert to fraction form
    7,751.97/11,625.91 = 3,368.41/x
  3. Step 3: Cross multiply
    7,751.97x = 11,625.91 × 3,368.41
  4. Step 4: Simplify right side
    7,751.97x = 39,160,831.50
  5. Step 5: Solve for x
    x = 39,160,831.50/7,751.97
  6. Step 6: Final answer
    x = 5,051.73

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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.