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Finding the Fourth Proportional to 51,689.41, 77,484.87 and 16,604.44

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Solution

The fourth proportional to 51,689.41, 77,484.87 and 16,604.44 is: 24,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,689.41 : 77,484.87 = 16,604.44 : x
  2. Step 2: Convert to fraction form
    51,689.41/77,484.87 = 16,604.44/x
  3. Step 3: Cross multiply
    51,689.41x = 77,484.87 × 16,604.44
  4. Step 4: Simplify right side
    51,689.41x = 1,286,592,874.82
  5. Step 5: Solve for x
    x = 1,286,592,874.82/51,689.41
  6. Step 6: Final answer
    x = 24,890.84

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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.