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Finding the Fourth Proportional to 17,768.88, 26,627.88 and 13,051.89

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Solution

The fourth proportional to 17,768.88, 26,627.88 and 13,051.89 is: 19,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.88 : 26,627.88 = 13,051.89 : x
  2. Step 2: Convert to fraction form
    17,768.88/26,627.88 = 13,051.89/x
  3. Step 3: Cross multiply
    17,768.88x = 26,627.88 × 13,051.89
  4. Step 4: Simplify right side
    17,768.88x = 347,544,160.69
  5. Step 5: Solve for x
    x = 347,544,160.69/17,768.88
  6. Step 6: Final answer
    x = 19,559.15

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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.