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Finding the Fourth Proportional to 41,025.76, 61,539.94 and 12,946.08

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Solution

The fourth proportional to 41,025.76, 61,539.94 and 12,946.08 is: 19,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,025.76 : 61,539.94 = 12,946.08 : x
  2. Step 2: Convert to fraction form
    41,025.76/61,539.94 = 12,946.08/x
  3. Step 3: Cross multiply
    41,025.76x = 61,539.94 × 12,946.08
  4. Step 4: Simplify right side
    41,025.76x = 796,700,986.44
  5. Step 5: Solve for x
    x = 796,700,986.44/41,025.76
  6. Step 6: Final answer
    x = 19,419.53

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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.