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Finding the Fourth Proportional to 61,804.48, 92,830.72 and 36,893.12

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Solution

The fourth proportional to 61,804.48, 92,830.72 and 36,893.12 is: 55,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,804.48 : 92,830.72 = 36,893.12 : x
  2. Step 2: Convert to fraction form
    61,804.48/92,830.72 = 36,893.12/x
  3. Step 3: Cross multiply
    61,804.48x = 92,830.72 × 36,893.12
  4. Step 4: Simplify right side
    61,804.48x = 3,424,814,892.65
  5. Step 5: Solve for x
    x = 3,424,814,892.65/61,804.48
  6. Step 6: Final answer
    x = 55,413.70

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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.