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Finding the Fourth Proportional to 57,964.21, 80,029.01 and 44,511.32

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Solution

The fourth proportional to 57,964.21, 80,029.01 and 44,511.32 is: 61,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,964.21 : 80,029.01 = 44,511.32 : x
  2. Step 2: Convert to fraction form
    57,964.21/80,029.01 = 44,511.32/x
  3. Step 3: Cross multiply
    57,964.21x = 80,029.01 × 44,511.32
  4. Step 4: Simplify right side
    57,964.21x = 3,562,197,184.74
  5. Step 5: Solve for x
    x = 3,562,197,184.74/57,964.21
  6. Step 6: Final answer
    x = 61,455.12

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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.