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Finding the Fourth Proportional to 61,804.50, 92,702.09 and 19,682.88

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Solution

The fourth proportional to 61,804.50, 92,702.09 and 19,682.88 is: 29,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.50 : 92,702.09 = 19,682.88 : x
  2. Step 2: Convert to fraction form
    61,804.50/92,702.09 = 19,682.88/x
  3. Step 3: Cross multiply
    61,804.50x = 92,702.09 × 19,682.88
  4. Step 4: Simplify right side
    61,804.50x = 1,824,644,113.22
  5. Step 5: Solve for x
    x = 1,824,644,113.22/61,804.50
  6. Step 6: Final answer
    x = 29,522.84

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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.