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Finding the Fourth Proportional to 61,847.76, 92,797.68 and 30,285.66

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Solution

The fourth proportional to 61,847.76, 92,797.68 and 30,285.66 is: 45,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,847.76 : 92,797.68 = 30,285.66 : x
  2. Step 2: Convert to fraction form
    61,847.76/92,797.68 = 30,285.66/x
  3. Step 3: Cross multiply
    61,847.76x = 92,797.68 × 30,285.66
  4. Step 4: Simplify right side
    61,847.76x = 2,810,438,985.27
  5. Step 5: Solve for x
    x = 2,810,438,985.27/61,847.76
  6. Step 6: Final answer
    x = 45,441.24

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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.