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Finding the Fourth Proportional to 14,267.44, 19,690.59 and 7,894.56

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Solution

The fourth proportional to 14,267.44, 19,690.59 and 7,894.56 is: 10,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.44 : 19,690.59 = 7,894.56 : x
  2. Step 2: Convert to fraction form
    14,267.44/19,690.59 = 7,894.56/x
  3. Step 3: Cross multiply
    14,267.44x = 19,690.59 × 7,894.56
  4. Step 4: Simplify right side
    14,267.44x = 155,448,647.63
  5. Step 5: Solve for x
    x = 155,448,647.63/14,267.44
  6. Step 6: Final answer
    x = 10,895.34

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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.