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Finding the Fourth Proportional to 11,960.88, 16,506.60 and 7,245.60

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Solution

The fourth proportional to 11,960.88, 16,506.60 and 7,245.60 is: 9,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.88 : 16,506.60 = 7,245.60 : x
  2. Step 2: Convert to fraction form
    11,960.88/16,506.60 = 7,245.60/x
  3. Step 3: Cross multiply
    11,960.88x = 16,506.60 × 7,245.60
  4. Step 4: Simplify right side
    11,960.88x = 119,600,220.96
  5. Step 5: Solve for x
    x = 119,600,220.96/11,960.88
  6. Step 6: Final answer
    x = 9,999.28

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1.5x scale

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.