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Finding the Fourth Proportional to 34,910.50, 52,364.97 and 8,615.47

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Solution

The fourth proportional to 34,910.50, 52,364.97 and 8,615.47 is: 12,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,910.50 : 52,364.97 = 8,615.47 : x
  2. Step 2: Convert to fraction form
    34,910.50/52,364.97 = 8,615.47/x
  3. Step 3: Cross multiply
    34,910.50x = 52,364.97 × 8,615.47
  4. Step 4: Simplify right side
    34,910.50x = 451,148,828.09
  5. Step 5: Solve for x
    x = 451,148,828.09/34,910.50
  6. Step 6: Final answer
    x = 12,923.01

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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.