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Finding the Fourth Proportional to 12,253.33, 16,905.63 and 7,219.27

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Solution

The fourth proportional to 12,253.33, 16,905.63 and 7,219.27 is: 9,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.33 : 16,905.63 = 7,219.27 : x
  2. Step 2: Convert to fraction form
    12,253.33/16,905.63 = 7,219.27/x
  3. Step 3: Cross multiply
    12,253.33x = 16,905.63 × 7,219.27
  4. Step 4: Simplify right side
    12,253.33x = 122,046,307.49
  5. Step 5: Solve for x
    x = 122,046,307.49/12,253.33
  6. Step 6: Final answer
    x = 9,960.26

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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.