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Finding the Fourth Proportional to 64,465.67, 96,698.38 and 36,372.98

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Solution

The fourth proportional to 64,465.67, 96,698.38 and 36,372.98 is: 54,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,465.67 : 96,698.38 = 36,372.98 : x
  2. Step 2: Convert to fraction form
    64,465.67/96,698.38 = 36,372.98/x
  3. Step 3: Cross multiply
    64,465.67x = 96,698.38 × 36,372.98
  4. Step 4: Simplify right side
    64,465.67x = 3,517,207,576.42
  5. Step 5: Solve for x
    x = 3,517,207,576.42/64,465.67
  6. Step 6: Final answer
    x = 54,559.39

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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.