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Finding the Fourth Proportional to 36,580.71, 54,828.71 and 16,817.79

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Solution

The fourth proportional to 36,580.71, 54,828.71 and 16,817.79 is: 25,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,580.71 : 54,828.71 = 16,817.79 : x
  2. Step 2: Convert to fraction form
    36,580.71/54,828.71 = 16,817.79/x
  3. Step 3: Cross multiply
    36,580.71x = 54,828.71 × 16,817.79
  4. Step 4: Simplify right side
    36,580.71x = 922,097,646.66
  5. Step 5: Solve for x
    x = 922,097,646.66/36,580.71
  6. Step 6: Final answer
    x = 25,207.21

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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.