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Finding the Fourth Proportional to 35,078.63, 48,408.53 and 19,163.03

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Solution

The fourth proportional to 35,078.63, 48,408.53 and 19,163.03 is: 26,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.63 : 48,408.53 = 19,163.03 : x
  2. Step 2: Convert to fraction form
    35,078.63/48,408.53 = 19,163.03/x
  3. Step 3: Cross multiply
    35,078.63x = 48,408.53 × 19,163.03
  4. Step 4: Simplify right side
    35,078.63x = 927,653,774.79
  5. Step 5: Solve for x
    x = 927,653,774.79/35,078.63
  6. Step 6: Final answer
    x = 26,444.99

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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.