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Finding the Fourth Proportional to 7,186.73, 10,790.73 and 4,424.99

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Solution

The fourth proportional to 7,186.73, 10,790.73 and 4,424.99 is: 6,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.73 : 10,790.73 = 4,424.99 : x
  2. Step 2: Convert to fraction form
    7,186.73/10,790.73 = 4,424.99/x
  3. Step 3: Cross multiply
    7,186.73x = 10,790.73 × 4,424.99
  4. Step 4: Simplify right side
    7,186.73x = 47,748,818.39
  5. Step 5: Solve for x
    x = 47,748,818.39/7,186.73
  6. Step 6: Final answer
    x = 6,644.03

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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.