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Finding the Fourth Proportional to 34,909.58, 52,358.09 and 14,930.31

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Solution

The fourth proportional to 34,909.58, 52,358.09 and 14,930.31 is: 22,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,909.58 : 52,358.09 = 14,930.31 : x
  2. Step 2: Convert to fraction form
    34,909.58/52,358.09 = 14,930.31/x
  3. Step 3: Cross multiply
    34,909.58x = 52,358.09 × 14,930.31
  4. Step 4: Simplify right side
    34,909.58x = 781,722,636.40
  5. Step 5: Solve for x
    x = 781,722,636.40/34,909.58
  6. Step 6: Final answer
    x = 22,392.78

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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.