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Finding the Fourth Proportional to 13,805.94, 19,052.20 and 7,518.32

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Solution

The fourth proportional to 13,805.94, 19,052.20 and 7,518.32 is: 10,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.94 : 19,052.20 = 7,518.32 : x
  2. Step 2: Convert to fraction form
    13,805.94/19,052.20 = 7,518.32/x
  3. Step 3: Cross multiply
    13,805.94x = 19,052.20 × 7,518.32
  4. Step 4: Simplify right side
    13,805.94x = 143,240,536.30
  5. Step 5: Solve for x
    x = 143,240,536.30/13,805.94
  6. Step 6: Final answer
    x = 10,375.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.