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Finding the Fourth Proportional to 54,599.75, 81,900.08 and 15,159.94

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Solution

The fourth proportional to 54,599.75, 81,900.08 and 15,159.94 is: 22,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,599.75 : 81,900.08 = 15,159.94 : x
  2. Step 2: Convert to fraction form
    54,599.75/81,900.08 = 15,159.94/x
  3. Step 3: Cross multiply
    54,599.75x = 81,900.08 × 15,159.94
  4. Step 4: Simplify right side
    54,599.75x = 1,241,599,813.50
  5. Step 5: Solve for x
    x = 1,241,599,813.50/54,599.75
  6. Step 6: Final answer
    x = 22,740.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.