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Finding the Fourth Proportional to 14,688.14, 22,021.71 and 8,751.05

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Solution

The fourth proportional to 14,688.14, 22,021.71 and 8,751.05 is: 13,120.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.14 : 22,021.71 = 8,751.05 : x
  2. Step 2: Convert to fraction form
    14,688.14/22,021.71 = 8,751.05/x
  3. Step 3: Cross multiply
    14,688.14x = 22,021.71 × 8,751.05
  4. Step 4: Simplify right side
    14,688.14x = 192,713,085.30
  5. Step 5: Solve for x
    x = 192,713,085.30/14,688.14
  6. Step 6: Final answer
    x = 13,120.32

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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.