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Finding the Fourth Proportional to 36,580.88, 54,871.22 and 14,382.06

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Solution

The fourth proportional to 36,580.88, 54,871.22 and 14,382.06 is: 21,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,580.88 : 54,871.22 = 14,382.06 : x
  2. Step 2: Convert to fraction form
    36,580.88/54,871.22 = 14,382.06/x
  3. Step 3: Cross multiply
    36,580.88x = 54,871.22 × 14,382.06
  4. Step 4: Simplify right side
    36,580.88x = 789,161,106.40
  5. Step 5: Solve for x
    x = 789,161,106.40/36,580.88
  6. Step 6: Final answer
    x = 21,573.05

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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.