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Finding the Fourth Proportional to 13,654.77, 20,482.56 and 5,334.45

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Solution

The fourth proportional to 13,654.77, 20,482.56 and 5,334.45 is: 8,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.77 : 20,482.56 = 5,334.45 : x
  2. Step 2: Convert to fraction form
    13,654.77/20,482.56 = 5,334.45/x
  3. Step 3: Cross multiply
    13,654.77x = 20,482.56 × 5,334.45
  4. Step 4: Simplify right side
    13,654.77x = 109,263,192.19
  5. Step 5: Solve for x
    x = 109,263,192.19/13,654.77
  6. Step 6: Final answer
    x = 8,001.83

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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.