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Finding the Fourth Proportional to 14,301.81, 21,466.44 and 5,979.60

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Solution

The fourth proportional to 14,301.81, 21,466.44 and 5,979.60 is: 8,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.81 : 21,466.44 = 5,979.60 : x
  2. Step 2: Convert to fraction form
    14,301.81/21,466.44 = 5,979.60/x
  3. Step 3: Cross multiply
    14,301.81x = 21,466.44 × 5,979.60
  4. Step 4: Simplify right side
    14,301.81x = 128,360,724.62
  5. Step 5: Solve for x
    x = 128,360,724.62/14,301.81
  6. Step 6: Final answer
    x = 8,975.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.