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Finding the Fourth Proportional to 11,085.65, 15,293.37 and 7,303.96

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Solution

The fourth proportional to 11,085.65, 15,293.37 and 7,303.96 is: 10,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.65 : 15,293.37 = 7,303.96 : x
  2. Step 2: Convert to fraction form
    11,085.65/15,293.37 = 7,303.96/x
  3. Step 3: Cross multiply
    11,085.65x = 15,293.37 × 7,303.96
  4. Step 4: Simplify right side
    11,085.65x = 111,702,162.75
  5. Step 5: Solve for x
    x = 111,702,162.75/11,085.65
  6. Step 6: Final answer
    x = 10,076.28

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