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Finding the Fourth Proportional to 59,379, 89,107.38 and 22,443

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Solution

The fourth proportional to 59,379, 89,107.38 and 22,443 is: 33,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,379 : 89,107.38 = 22,443 : x
  2. Step 2: Convert to fraction form
    59,379/89,107.38 = 22,443/x
  3. Step 3: Cross multiply
    59,379x = 89,107.38 × 22,443
  4. Step 4: Simplify right side
    59,379x = 1,999,836,929.34
  5. Step 5: Solve for x
    x = 1,999,836,929.34/59,379
  6. Step 6: Final answer
    x = 33,679.20

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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.