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Finding the Fourth Proportional to 9,755.45, 13,457.03 and 5,980.44

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Solution

The fourth proportional to 9,755.45, 13,457.03 and 5,980.44 is: 8,249.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.45 : 13,457.03 = 5,980.44 : x
  2. Step 2: Convert to fraction form
    9,755.45/13,457.03 = 5,980.44/x
  3. Step 3: Cross multiply
    9,755.45x = 13,457.03 × 5,980.44
  4. Step 4: Simplify right side
    9,755.45x = 80,478,930.59
  5. Step 5: Solve for x
    x = 80,478,930.59/9,755.45
  6. Step 6: Final answer
    x = 8,249.64

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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.