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Finding the Fourth Proportional to 64,428.80, 96,620.03 and 22,297.44

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Solution

The fourth proportional to 64,428.80, 96,620.03 and 22,297.44 is: 33,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,428.80 : 96,620.03 = 22,297.44 : x
  2. Step 2: Convert to fraction form
    64,428.80/96,620.03 = 22,297.44/x
  3. Step 3: Cross multiply
    64,428.80x = 96,620.03 × 22,297.44
  4. Step 4: Simplify right side
    64,428.80x = 2,154,379,210.24
  5. Step 5: Solve for x
    x = 2,154,379,210.24/64,428.80
  6. Step 6: Final answer
    x = 33,438.14

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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.