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Finding the Fourth Proportional to 51,492.58, 77,240.22 and 16,432.20

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Solution

The fourth proportional to 51,492.58, 77,240.22 and 16,432.20 is: 24,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,492.58 : 77,240.22 = 16,432.20 : x
  2. Step 2: Convert to fraction form
    51,492.58/77,240.22 = 16,432.20/x
  3. Step 3: Cross multiply
    51,492.58x = 77,240.22 × 16,432.20
  4. Step 4: Simplify right side
    51,492.58x = 1,269,226,936.18
  5. Step 5: Solve for x
    x = 1,269,226,936.18/51,492.58
  6. Step 6: Final answer
    x = 24,648.73

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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.