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Finding the Fourth Proportional to 26,532, 39,768.48 and 13,396.32

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Solution

The fourth proportional to 26,532, 39,768.48 and 13,396.32 is: 20,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,532 : 39,768.48 = 13,396.32 : x
  2. Step 2: Convert to fraction form
    26,532/39,768.48 = 13,396.32/x
  3. Step 3: Cross multiply
    26,532x = 39,768.48 × 13,396.32
  4. Step 4: Simplify right side
    26,532x = 532,751,283.99
  5. Step 5: Solve for x
    x = 532,751,283.99/26,532
  6. Step 6: Final answer
    x = 20,079.58

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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.