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Finding the Fourth Proportional to 61,879.43, 92,804.27 and 28,567.50

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Solution

The fourth proportional to 61,879.43, 92,804.27 and 28,567.50 is: 42,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,879.43 : 92,804.27 = 28,567.50 : x
  2. Step 2: Convert to fraction form
    61,879.43/92,804.27 = 28,567.50/x
  3. Step 3: Cross multiply
    61,879.43x = 92,804.27 × 28,567.50
  4. Step 4: Simplify right side
    61,879.43x = 2,651,185,706.63
  5. Step 5: Solve for x
    x = 2,651,185,706.63/61,879.43
  6. Step 6: Final answer
    x = 42,844.38

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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.