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Finding the Fourth Proportional to 34,898.52, 52,351.50 and 9,939.42

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Solution

The fourth proportional to 34,898.52, 52,351.50 and 9,939.42 is: 14,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,898.52 : 52,351.50 = 9,939.42 : x
  2. Step 2: Convert to fraction form
    34,898.52/52,351.50 = 9,939.42/x
  3. Step 3: Cross multiply
    34,898.52x = 52,351.50 × 9,939.42
  4. Step 4: Simplify right side
    34,898.52x = 520,343,546.13
  5. Step 5: Solve for x
    x = 520,343,546.13/34,898.52
  6. Step 6: Final answer
    x = 14,910.19

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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.