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Finding the Fourth Proportional to 49,466.70, 74,200.05 and 47,717.10

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Solution

The fourth proportional to 49,466.70, 74,200.05 and 47,717.10 is: 71,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,466.70 : 74,200.05 = 47,717.10 : x
  2. Step 2: Convert to fraction form
    49,466.70/74,200.05 = 47,717.10/x
  3. Step 3: Cross multiply
    49,466.70x = 74,200.05 × 47,717.10
  4. Step 4: Simplify right side
    49,466.70x = 3,540,611,205.86
  5. Step 5: Solve for x
    x = 3,540,611,205.86/49,466.70
  6. Step 6: Final answer
    x = 71,575.65

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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.