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Finding the Fourth Proportional to 57,245.92, 79,002.47 and 34,584.67

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Solution

The fourth proportional to 57,245.92, 79,002.47 and 34,584.67 is: 47,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.92 : 79,002.47 = 34,584.67 : x
  2. Step 2: Convert to fraction form
    57,245.92/79,002.47 = 34,584.67/x
  3. Step 3: Cross multiply
    57,245.92x = 79,002.47 × 34,584.67
  4. Step 4: Simplify right side
    57,245.92x = 2,732,274,466.40
  5. Step 5: Solve for x
    x = 2,732,274,466.40/57,245.92
  6. Step 6: Final answer
    x = 47,728.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.