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Finding the Fourth Proportional to 9,960.70, 14,941.05 and 2,940.81

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Solution

The fourth proportional to 9,960.70, 14,941.05 and 2,940.81 is: 4,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.70 : 14,941.05 = 2,940.81 : x
  2. Step 2: Convert to fraction form
    9,960.70/14,941.05 = 2,940.81/x
  3. Step 3: Cross multiply
    9,960.70x = 14,941.05 × 2,940.81
  4. Step 4: Simplify right side
    9,960.70x = 43,938,789.25
  5. Step 5: Solve for x
    x = 43,938,789.25/9,960.70
  6. Step 6: Final answer
    x = 4,411.22

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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.