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Finding the Fourth Proportional to 22,029, 33,045.59 and 7,237.99

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Solution

The fourth proportional to 22,029, 33,045.59 and 7,237.99 is: 10,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029 : 33,045.59 = 7,237.99 : x
  2. Step 2: Convert to fraction form
    22,029/33,045.59 = 7,237.99/x
  3. Step 3: Cross multiply
    22,029x = 33,045.59 × 7,237.99
  4. Step 4: Simplify right side
    22,029x = 239,183,649.96
  5. Step 5: Solve for x
    x = 239,183,649.96/22,029
  6. Step 6: Final answer
    x = 10,857.67

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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.