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Finding the Fourth Proportional to 32,379,771.70, 48,569,657.55 and 13,200,073.30

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Solution

The fourth proportional to 32,379,771.70, 48,569,657.55 and 13,200,073.30 is: 19,800,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379,771.70 : 48,569,657.55 = 13,200,073.30 : x
  2. Step 2: Convert to fraction form
    32,379,771.70/48,569,657.55 = 13,200,073.30/x
  3. Step 3: Cross multiply
    32,379,771.70x = 48,569,657.55 × 13,200,073.30
  4. Step 4: Simplify right side
    32,379,771.70x = 641,123,039,815,898.38
  5. Step 5: Solve for x
    x = 641,123,039,815,898.38/32,379,771.70
  6. Step 6: Final answer
    x = 19,800,109.95

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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.