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Finding the Fourth Proportional to 12,055.53, 16,628.09 and 10,374.03

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Solution

The fourth proportional to 12,055.53, 16,628.09 and 10,374.03 is: 14,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.53 : 16,628.09 = 10,374.03 : x
  2. Step 2: Convert to fraction form
    12,055.53/16,628.09 = 10,374.03/x
  3. Step 3: Cross multiply
    12,055.53x = 16,628.09 × 10,374.03
  4. Step 4: Simplify right side
    12,055.53x = 172,500,304.50
  5. Step 5: Solve for x
    x = 172,500,304.50/12,055.53
  6. Step 6: Final answer
    x = 14,308.81

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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.