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Finding the Fourth Proportional to 57,369.99, 85,981.97 and 32,423.94

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Solution

The fourth proportional to 57,369.99, 85,981.97 and 32,423.94 is: 48,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,369.99 : 85,981.97 = 32,423.94 : x
  2. Step 2: Convert to fraction form
    57,369.99/85,981.97 = 32,423.94/x
  3. Step 3: Cross multiply
    57,369.99x = 85,981.97 × 32,423.94
  4. Step 4: Simplify right side
    57,369.99x = 2,787,874,074.24
  5. Step 5: Solve for x
    x = 2,787,874,074.24/57,369.99
  6. Step 6: Final answer
    x = 48,594.64

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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.