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Finding the Fourth Proportional to 35,162.56, 52,751.74 and 11,788.40

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Solution

The fourth proportional to 35,162.56, 52,751.74 and 11,788.40 is: 17,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,162.56 : 52,751.74 = 11,788.40 : x
  2. Step 2: Convert to fraction form
    35,162.56/52,751.74 = 11,788.40/x
  3. Step 3: Cross multiply
    35,162.56x = 52,751.74 × 11,788.40
  4. Step 4: Simplify right side
    35,162.56x = 621,858,611.82
  5. Step 5: Solve for x
    x = 621,858,611.82/35,162.56
  6. Step 6: Final answer
    x = 17,685.25

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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.