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Finding the Fourth Proportional to 25,548.64, 35,257.04 and 14,218.08

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Solution

The fourth proportional to 25,548.64, 35,257.04 and 14,218.08 is: 19,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,548.64 : 35,257.04 = 14,218.08 : x
  2. Step 2: Convert to fraction form
    25,548.64/35,257.04 = 14,218.08/x
  3. Step 3: Cross multiply
    25,548.64x = 35,257.04 × 14,218.08
  4. Step 4: Simplify right side
    25,548.64x = 501,287,415.28
  5. Step 5: Solve for x
    x = 501,287,415.28/25,548.64
  6. Step 6: Final answer
    x = 19,620.90

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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.