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Finding the Fourth Proportional to 61,847.56, 92,699.52 and 28,497.61

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Solution

The fourth proportional to 61,847.56, 92,699.52 and 28,497.61 is: 42,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,847.56 : 92,699.52 = 28,497.61 : x
  2. Step 2: Convert to fraction form
    61,847.56/92,699.52 = 28,497.61/x
  3. Step 3: Cross multiply
    61,847.56x = 92,699.52 × 28,497.61
  4. Step 4: Simplify right side
    61,847.56x = 2,641,714,768.15
  5. Step 5: Solve for x
    x = 2,641,714,768.15/61,847.56
  6. Step 6: Final answer
    x = 42,713.32

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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.