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Finding the Fourth Proportional to 54,275.89, 81,409.23 and 16,835.16

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Solution

The fourth proportional to 54,275.89, 81,409.23 and 16,835.16 is: 25,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.89 : 81,409.23 = 16,835.16 : x
  2. Step 2: Convert to fraction form
    54,275.89/81,409.23 = 16,835.16/x
  3. Step 3: Cross multiply
    54,275.89x = 81,409.23 × 16,835.16
  4. Step 4: Simplify right side
    54,275.89x = 1,370,537,412.53
  5. Step 5: Solve for x
    x = 1,370,537,412.53/54,275.89
  6. Step 6: Final answer
    x = 25,251.31

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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.