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Finding the Fourth Proportional to 14,991.09, 22,501.80 and 8,763

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Solution

The fourth proportional to 14,991.09, 22,501.80 and 8,763 is: 13,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.09 : 22,501.80 = 8,763 : x
  2. Step 2: Convert to fraction form
    14,991.09/22,501.80 = 8,763/x
  3. Step 3: Cross multiply
    14,991.09x = 22,501.80 × 8,763
  4. Step 4: Simplify right side
    14,991.09x = 197,183,273.40
  5. Step 5: Solve for x
    x = 197,183,273.40/14,991.09
  6. Step 6: Final answer
    x = 13,153.36

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Why These Related Problems?

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