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Finding the Fourth Proportional to 61,785.44, 92,693.73 and 28,528.82

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Solution

The fourth proportional to 61,785.44, 92,693.73 and 28,528.82 is: 42,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,785.44 : 92,693.73 = 28,528.82 : x
  2. Step 2: Convert to fraction form
    61,785.44/92,693.73 = 28,528.82/x
  3. Step 3: Cross multiply
    61,785.44x = 92,693.73 × 28,528.82
  4. Step 4: Simplify right side
    61,785.44x = 2,644,442,738.30
  5. Step 5: Solve for x
    x = 2,644,442,738.30/61,785.44
  6. Step 6: Final answer
    x = 42,800.42

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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.