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Finding the Fourth Proportional to 7,456.54, 11,186.42 and 2,262

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Solution

The fourth proportional to 7,456.54, 11,186.42 and 2,262 is: 3,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.54 : 11,186.42 = 2,262 : x
  2. Step 2: Convert to fraction form
    7,456.54/11,186.42 = 2,262/x
  3. Step 3: Cross multiply
    7,456.54x = 11,186.42 × 2,262
  4. Step 4: Simplify right side
    7,456.54x = 25,303,682.04
  5. Step 5: Solve for x
    x = 25,303,682.04/7,456.54
  6. Step 6: Final answer
    x = 3,393.49

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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.