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Finding the Fourth Proportional to 64,465.50, 96,698.11 and 36,372.80

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Solution

The fourth proportional to 64,465.50, 96,698.11 and 36,372.80 is: 54,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,465.50 : 96,698.11 = 36,372.80 : x
  2. Step 2: Convert to fraction form
    64,465.50/96,698.11 = 36,372.80/x
  3. Step 3: Cross multiply
    64,465.50x = 96,698.11 × 36,372.80
  4. Step 4: Simplify right side
    64,465.50x = 3,517,181,015.41
  5. Step 5: Solve for x
    x = 3,517,181,015.41/64,465.50
  6. Step 6: Final answer
    x = 54,559.12

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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.