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Finding the Fourth Proportional to 16,773.56, 23,148.78 and 9,699.96

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Solution

The fourth proportional to 16,773.56, 23,148.78 and 9,699.96 is: 13,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,773.56 : 23,148.78 = 9,699.96 : x
  2. Step 2: Convert to fraction form
    16,773.56/23,148.78 = 9,699.96/x
  3. Step 3: Cross multiply
    16,773.56x = 23,148.78 × 9,699.96
  4. Step 4: Simplify right side
    16,773.56x = 224,542,240.05
  5. Step 5: Solve for x
    x = 224,542,240.05/16,773.56
  6. Step 6: Final answer
    x = 13,386.68

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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.