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Finding the Fourth Proportional to 9,051.99, 12,491.07 and 5,072.33

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Solution

The fourth proportional to 9,051.99, 12,491.07 and 5,072.33 is: 6,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.99 : 12,491.07 = 5,072.33 : x
  2. Step 2: Convert to fraction form
    9,051.99/12,491.07 = 5,072.33/x
  3. Step 3: Cross multiply
    9,051.99x = 12,491.07 × 5,072.33
  4. Step 4: Simplify right side
    9,051.99x = 63,358,829.09
  5. Step 5: Solve for x
    x = 63,358,829.09/9,051.99
  6. Step 6: Final answer
    x = 6,999.44

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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.