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Finding the Fourth Proportional to 11,922.04, 16,450.02 and 7,206.60

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Solution

The fourth proportional to 11,922.04, 16,450.02 and 7,206.60 is: 9,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.04 : 16,450.02 = 7,206.60 : x
  2. Step 2: Convert to fraction form
    11,922.04/16,450.02 = 7,206.60/x
  3. Step 3: Cross multiply
    11,922.04x = 16,450.02 × 7,206.60
  4. Step 4: Simplify right side
    11,922.04x = 118,548,714.13
  5. Step 5: Solve for x
    x = 118,548,714.13/11,922.04
  6. Step 6: Final answer
    x = 9,943.66

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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.