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Finding the Fourth Proportional to 11,245.96, 15,523.80 and 10,064.98

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Solution

The fourth proportional to 11,245.96, 15,523.80 and 10,064.98 is: 13,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.96 : 15,523.80 = 10,064.98 : x
  2. Step 2: Convert to fraction form
    11,245.96/15,523.80 = 10,064.98/x
  3. Step 3: Cross multiply
    11,245.96x = 15,523.80 × 10,064.98
  4. Step 4: Simplify right side
    11,245.96x = 156,246,736.52
  5. Step 5: Solve for x
    x = 156,246,736.52/11,245.96
  6. Step 6: Final answer
    x = 13,893.59

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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.