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Finding the Fourth Proportional to 45,796.69, 68,699.14 and 12,516.93

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Solution

The fourth proportional to 45,796.69, 68,699.14 and 12,516.93 is: 18,776.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,796.69 : 68,699.14 = 12,516.93 : x
  2. Step 2: Convert to fraction form
    45,796.69/68,699.14 = 12,516.93/x
  3. Step 3: Cross multiply
    45,796.69x = 68,699.14 × 12,516.93
  4. Step 4: Simplify right side
    45,796.69x = 859,902,295.15
  5. Step 5: Solve for x
    x = 859,902,295.15/45,796.69
  6. Step 6: Final answer
    x = 18,776.52

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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.