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Finding the Fourth Proportional to 25,643.39, 38,482.27 and 9,003.48

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Solution

The fourth proportional to 25,643.39, 38,482.27 and 9,003.48 is: 13,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.39 : 38,482.27 = 9,003.48 : x
  2. Step 2: Convert to fraction form
    25,643.39/38,482.27 = 9,003.48/x
  3. Step 3: Cross multiply
    25,643.39x = 38,482.27 × 9,003.48
  4. Step 4: Simplify right side
    25,643.39x = 346,474,340.36
  5. Step 5: Solve for x
    x = 346,474,340.36/25,643.39
  6. Step 6: Final answer
    x = 13,511.25

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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.