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Finding the Fourth Proportional to 57,497.49, 86,249.89 and 18,056.16

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Solution

The fourth proportional to 57,497.49, 86,249.89 and 18,056.16 is: 27,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.49 : 86,249.89 = 18,056.16 : x
  2. Step 2: Convert to fraction form
    57,497.49/86,249.89 = 18,056.16/x
  3. Step 3: Cross multiply
    57,497.49x = 86,249.89 × 18,056.16
  4. Step 4: Simplify right side
    57,497.49x = 1,557,341,813.82
  5. Step 5: Solve for x
    x = 1,557,341,813.82/57,497.49
  6. Step 6: Final answer
    x = 27,085.39

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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.