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Finding the Fourth Proportional to 11,076.63, 15,281.93 and 7,099.94

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Solution

The fourth proportional to 11,076.63, 15,281.93 and 7,099.94 is: 9,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.63 : 15,281.93 = 7,099.94 : x
  2. Step 2: Convert to fraction form
    11,076.63/15,281.93 = 7,099.94/x
  3. Step 3: Cross multiply
    11,076.63x = 15,281.93 × 7,099.94
  4. Step 4: Simplify right side
    11,076.63x = 108,500,674.17
  5. Step 5: Solve for x
    x = 108,500,674.17/11,076.63
  6. Step 6: Final answer
    x = 9,795.46

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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.