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Finding the Fourth Proportional to 44,942.03, 61,993.86 and 28,803.60

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Solution

The fourth proportional to 44,942.03, 61,993.86 and 28,803.60 is: 39,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,942.03 : 61,993.86 = 28,803.60 : x
  2. Step 2: Convert to fraction form
    44,942.03/61,993.86 = 28,803.60/x
  3. Step 3: Cross multiply
    44,942.03x = 61,993.86 × 28,803.60
  4. Step 4: Simplify right side
    44,942.03x = 1,785,646,237.88
  5. Step 5: Solve for x
    x = 1,785,646,237.88/44,942.03
  6. Step 6: Final answer
    x = 39,732.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.