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Finding the Fourth Proportional to 27,047.50, 40,577.73 and 8,579.50

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Solution

The fourth proportional to 27,047.50, 40,577.73 and 8,579.50 is: 12,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,047.50 : 40,577.73 = 8,579.50 : x
  2. Step 2: Convert to fraction form
    27,047.50/40,577.73 = 8,579.50/x
  3. Step 3: Cross multiply
    27,047.50x = 40,577.73 × 8,579.50
  4. Step 4: Simplify right side
    27,047.50x = 348,136,634.54
  5. Step 5: Solve for x
    x = 348,136,634.54/27,047.50
  6. Step 6: Final answer
    x = 12,871.31

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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.