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Finding the Fourth Proportional to 13,767.08, 20,642.10 and 9,371.20

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Solution

The fourth proportional to 13,767.08, 20,642.10 and 9,371.20 is: 14,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.08 : 20,642.10 = 9,371.20 : x
  2. Step 2: Convert to fraction form
    13,767.08/20,642.10 = 9,371.20/x
  3. Step 3: Cross multiply
    13,767.08x = 20,642.10 × 9,371.20
  4. Step 4: Simplify right side
    13,767.08x = 193,441,247.52
  5. Step 5: Solve for x
    x = 193,441,247.52/13,767.08
  6. Step 6: Final answer
    x = 14,051.00

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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.