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Finding the Fourth Proportional to 35,396.69, 48,847.77 and 19,481.51

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Solution

The fourth proportional to 35,396.69, 48,847.77 and 19,481.51 is: 26,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,396.69 : 48,847.77 = 19,481.51 : x
  2. Step 2: Convert to fraction form
    35,396.69/48,847.77 = 19,481.51/x
  3. Step 3: Cross multiply
    35,396.69x = 48,847.77 × 19,481.51
  4. Step 4: Simplify right side
    35,396.69x = 951,628,075.49
  5. Step 5: Solve for x
    x = 951,628,075.49/35,396.69
  6. Step 6: Final answer
    x = 26,884.67

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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.