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Finding the Fourth Proportional to 61,809.36, 92,704.23 and 19,683.96

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Solution

The fourth proportional to 61,809.36, 92,704.23 and 19,683.96 is: 29,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.36 : 92,704.23 = 19,683.96 : x
  2. Step 2: Convert to fraction form
    61,809.36/92,704.23 = 19,683.96/x
  3. Step 3: Cross multiply
    61,809.36x = 92,704.23 × 19,683.96
  4. Step 4: Simplify right side
    61,809.36x = 1,824,786,355.15
  5. Step 5: Solve for x
    x = 1,824,786,355.15/61,809.36
  6. Step 6: Final answer
    x = 29,522.82

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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.