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Finding the Fourth Proportional to 9,940.10, 14,922.30 and 5,501.30

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Solution

The fourth proportional to 9,940.10, 14,922.30 and 5,501.30 is: 8,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.10 : 14,922.30 = 5,501.30 : x
  2. Step 2: Convert to fraction form
    9,940.10/14,922.30 = 5,501.30/x
  3. Step 3: Cross multiply
    9,940.10x = 14,922.30 × 5,501.30
  4. Step 4: Simplify right side
    9,940.10x = 82,092,048.99
  5. Step 5: Solve for x
    x = 82,092,048.99/9,940.10
  6. Step 6: Final answer
    x = 8,258.67

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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.