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Finding the Fourth Proportional to 13,960.03, 20,940.06 and 6,559.06

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Solution

The fourth proportional to 13,960.03, 20,940.06 and 6,559.06 is: 9,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.03 : 20,940.06 = 6,559.06 : x
  2. Step 2: Convert to fraction form
    13,960.03/20,940.06 = 6,559.06/x
  3. Step 3: Cross multiply
    13,960.03x = 20,940.06 × 6,559.06
  4. Step 4: Simplify right side
    13,960.03x = 137,347,109.94
  5. Step 5: Solve for x
    x = 137,347,109.94/13,960.03
  6. Step 6: Final answer
    x = 9,838.60

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1.5x scale

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.