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Finding the Fourth Proportional to 61,638.88, 92,435.64 and 22,185.44

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Solution

The fourth proportional to 61,638.88, 92,435.64 and 22,185.44 is: 33,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,638.88 : 92,435.64 = 22,185.44 : x
  2. Step 2: Convert to fraction form
    61,638.88/92,435.64 = 22,185.44/x
  3. Step 3: Cross multiply
    61,638.88x = 92,435.64 × 22,185.44
  4. Step 4: Simplify right side
    61,638.88x = 2,050,725,345.08
  5. Step 5: Solve for x
    x = 2,050,725,345.08/61,638.88
  6. Step 6: Final answer
    x = 33,270.00

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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.