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Finding the Fourth Proportional to 64,426, 96,704.52 and 44,436.88

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Solution

The fourth proportional to 64,426, 96,704.52 and 44,436.88 is: 66,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,426 : 96,704.52 = 44,436.88 : x
  2. Step 2: Convert to fraction form
    64,426/96,704.52 = 44,436.88/x
  3. Step 3: Cross multiply
    64,426x = 96,704.52 × 44,436.88
  4. Step 4: Simplify right side
    64,426x = 4,297,247,150.70
  5. Step 5: Solve for x
    x = 4,297,247,150.70/64,426
  6. Step 6: Final answer
    x = 66,700.51

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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.