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Finding the Fourth Proportional to 35,080.69, 48,408.81 and 19,161.76

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Solution

The fourth proportional to 35,080.69, 48,408.81 and 19,161.76 is: 26,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,080.69 : 48,408.81 = 19,161.76 : x
  2. Step 2: Convert to fraction form
    35,080.69/48,408.81 = 19,161.76/x
  3. Step 3: Cross multiply
    35,080.69x = 48,408.81 × 19,161.76
  4. Step 4: Simplify right side
    35,080.69x = 927,597,999.11
  5. Step 5: Solve for x
    x = 927,597,999.11/35,080.69
  6. Step 6: Final answer
    x = 26,441.84

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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.