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Finding the Fourth Proportional to 24,401.79, 36,603.72 and 11,906.91

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Solution

The fourth proportional to 24,401.79, 36,603.72 and 11,906.91 is: 17,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,401.79 : 36,603.72 = 11,906.91 : x
  2. Step 2: Convert to fraction form
    24,401.79/36,603.72 = 11,906.91/x
  3. Step 3: Cross multiply
    24,401.79x = 36,603.72 × 11,906.91
  4. Step 4: Simplify right side
    24,401.79x = 435,837,199.71
  5. Step 5: Solve for x
    x = 435,837,199.71/24,401.79
  6. Step 6: Final answer
    x = 17,860.87

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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.