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Finding the Fourth Proportional to 12,751.96, 19,092.48 and 9,622.52

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Solution

The fourth proportional to 12,751.96, 19,092.48 and 9,622.52 is: 14,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751.96 : 19,092.48 = 9,622.52 : x
  2. Step 2: Convert to fraction form
    12,751.96/19,092.48 = 9,622.52/x
  3. Step 3: Cross multiply
    12,751.96x = 19,092.48 × 9,622.52
  4. Step 4: Simplify right side
    12,751.96x = 183,717,770.65
  5. Step 5: Solve for x
    x = 183,717,770.65/12,751.96
  6. Step 6: Final answer
    x = 14,407.02

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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.