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Finding the Fourth Proportional to 26,530, 36,611.16 and 14,593.12

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Solution

The fourth proportional to 26,530, 36,611.16 and 14,593.12 is: 20,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530 : 36,611.16 = 14,593.12 : x
  2. Step 2: Convert to fraction form
    26,530/36,611.16 = 14,593.12/x
  3. Step 3: Cross multiply
    26,530x = 36,611.16 × 14,593.12
  4. Step 4: Simplify right side
    26,530x = 534,271,051.22
  5. Step 5: Solve for x
    x = 534,271,051.22/26,530
  6. Step 6: Final answer
    x = 20,138.37

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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.