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Finding the Fourth Proportional to 24,573.70, 36,905.10 and 21,511.90

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Solution

The fourth proportional to 24,573.70, 36,905.10 and 21,511.90 is: 32,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,573.70 : 36,905.10 = 21,511.90 : x
  2. Step 2: Convert to fraction form
    24,573.70/36,905.10 = 21,511.90/x
  3. Step 3: Cross multiply
    24,573.70x = 36,905.10 × 21,511.90
  4. Step 4: Simplify right side
    24,573.70x = 793,898,820.69
  5. Step 5: Solve for x
    x = 793,898,820.69/24,573.70
  6. Step 6: Final answer
    x = 32,306.85

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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.