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Finding the Fourth Proportional to 10,773.22, 16,128.50 and 6,600.56

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Solution

The fourth proportional to 10,773.22, 16,128.50 and 6,600.56 is: 9,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,773.22 : 16,128.50 = 6,600.56 : x
  2. Step 2: Convert to fraction form
    10,773.22/16,128.50 = 6,600.56/x
  3. Step 3: Cross multiply
    10,773.22x = 16,128.50 × 6,600.56
  4. Step 4: Simplify right side
    10,773.22x = 106,457,131.96
  5. Step 5: Solve for x
    x = 106,457,131.96/10,773.22
  6. Step 6: Final answer
    x = 9,881.64

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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.