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Finding the Fourth Proportional to 23,691.03, 35,524.66 and 7,890.51

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Solution

The fourth proportional to 23,691.03, 35,524.66 and 7,890.51 is: 11,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.03 : 35,524.66 = 7,890.51 : x
  2. Step 2: Convert to fraction form
    23,691.03/35,524.66 = 7,890.51/x
  3. Step 3: Cross multiply
    23,691.03x = 35,524.66 × 7,890.51
  4. Step 4: Simplify right side
    23,691.03x = 280,307,631.92
  5. Step 5: Solve for x
    x = 280,307,631.92/23,691.03
  6. Step 6: Final answer
    x = 11,831.80

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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.