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Finding the Fourth Proportional to 53,951.85, 80,927.64 and 14,508.96

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Solution

The fourth proportional to 53,951.85, 80,927.64 and 14,508.96 is: 21,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,951.85 : 80,927.64 = 14,508.96 : x
  2. Step 2: Convert to fraction form
    53,951.85/80,927.64 = 14,508.96/x
  3. Step 3: Cross multiply
    53,951.85x = 80,927.64 × 14,508.96
  4. Step 4: Simplify right side
    53,951.85x = 1,174,175,891.65
  5. Step 5: Solve for x
    x = 1,174,175,891.65/53,951.85
  6. Step 6: Final answer
    x = 21,763.40

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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.