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Finding the Fourth Proportional to 64,408.80, 96,621.98 and 22,277.58

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Solution

The fourth proportional to 64,408.80, 96,621.98 and 22,277.58 is: 33,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.80 : 96,621.98 = 22,277.58 : x
  2. Step 2: Convert to fraction form
    64,408.80/96,621.98 = 22,277.58/x
  3. Step 3: Cross multiply
    64,408.80x = 96,621.98 × 22,277.58
  4. Step 4: Simplify right side
    64,408.80x = 2,152,503,777.82
  5. Step 5: Solve for x
    x = 2,152,503,777.82/64,408.80
  6. Step 6: Final answer
    x = 33,419.41

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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.