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Finding the Fourth Proportional to 16,603.80, 24,908.67 and 4,916.67

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Solution

The fourth proportional to 16,603.80, 24,908.67 and 4,916.67 is: 7,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.80 : 24,908.67 = 4,916.67 : x
  2. Step 2: Convert to fraction form
    16,603.80/24,908.67 = 4,916.67/x
  3. Step 3: Cross multiply
    16,603.80x = 24,908.67 × 4,916.67
  4. Step 4: Simplify right side
    16,603.80x = 122,467,710.53
  5. Step 5: Solve for x
    x = 122,467,710.53/16,603.80
  6. Step 6: Final answer
    x = 7,375.88

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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.