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Finding the Fourth Proportional to 24,557.89, 33,890.12 and 13,379.89

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Solution

The fourth proportional to 24,557.89, 33,890.12 and 13,379.89 is: 18,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,557.89 : 33,890.12 = 13,379.89 : x
  2. Step 2: Convert to fraction form
    24,557.89/33,890.12 = 13,379.89/x
  3. Step 3: Cross multiply
    24,557.89x = 33,890.12 × 13,379.89
  4. Step 4: Simplify right side
    24,557.89x = 453,446,077.69
  5. Step 5: Solve for x
    x = 453,446,077.69/24,557.89
  6. Step 6: Final answer
    x = 18,464.37

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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.