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Finding the Fourth Proportional to 12,706.44, 19,060.19 and 3,941.16

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Solution

The fourth proportional to 12,706.44, 19,060.19 and 3,941.16 is: 5,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,706.44 : 19,060.19 = 3,941.16 : x
  2. Step 2: Convert to fraction form
    12,706.44/19,060.19 = 3,941.16/x
  3. Step 3: Cross multiply
    12,706.44x = 19,060.19 × 3,941.16
  4. Step 4: Simplify right side
    12,706.44x = 75,119,258.42
  5. Step 5: Solve for x
    x = 75,119,258.42/12,706.44
  6. Step 6: Final answer
    x = 5,911.90

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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.