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Finding the Fourth Proportional to 13,474.51, 18,594.84 and 7,342.18

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Solution

The fourth proportional to 13,474.51, 18,594.84 and 7,342.18 is: 10,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.51 : 18,594.84 = 7,342.18 : x
  2. Step 2: Convert to fraction form
    13,474.51/18,594.84 = 7,342.18/x
  3. Step 3: Cross multiply
    13,474.51x = 18,594.84 × 7,342.18
  4. Step 4: Simplify right side
    13,474.51x = 136,526,662.35
  5. Step 5: Solve for x
    x = 136,526,662.35/13,474.51
  6. Step 6: Final answer
    x = 10,132.22

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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.