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Finding the Fourth Proportional to 11,060.65, 15,262.59 and 6,811.03

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Solution

The fourth proportional to 11,060.65, 15,262.59 and 6,811.03 is: 9,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.65 : 15,262.59 = 6,811.03 : x
  2. Step 2: Convert to fraction form
    11,060.65/15,262.59 = 6,811.03/x
  3. Step 3: Cross multiply
    11,060.65x = 15,262.59 × 6,811.03
  4. Step 4: Simplify right side
    11,060.65x = 103,953,958.37
  5. Step 5: Solve for x
    x = 103,953,958.37/11,060.65
  6. Step 6: Final answer
    x = 9,398.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.