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Finding the Fourth Proportional to 14,250.22, 21,356.69 and 7,662.22

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Solution

The fourth proportional to 14,250.22, 21,356.69 and 7,662.22 is: 11,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.22 : 21,356.69 = 7,662.22 : x
  2. Step 2: Convert to fraction form
    14,250.22/21,356.69 = 7,662.22/x
  3. Step 3: Cross multiply
    14,250.22x = 21,356.69 × 7,662.22
  4. Step 4: Simplify right side
    14,250.22x = 163,639,512.16
  5. Step 5: Solve for x
    x = 163,639,512.16/14,250.22
  6. Step 6: Final answer
    x = 11,483.30

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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.