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Finding the Fourth Proportional to 59,479, 89,231.46 and 22,543

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Solution

The fourth proportional to 59,479, 89,231.46 and 22,543 is: 33,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,479 : 89,231.46 = 22,543 : x
  2. Step 2: Convert to fraction form
    59,479/89,231.46 = 22,543/x
  3. Step 3: Cross multiply
    59,479x = 89,231.46 × 22,543
  4. Step 4: Simplify right side
    59,479x = 2,011,544,802.78
  5. Step 5: Solve for x
    x = 2,011,544,802.78/59,479
  6. Step 6: Final answer
    x = 33,819.41

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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.