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Finding the Fourth Proportional to 20,552.03, 30,828.06 and 4,969.67

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Solution

The fourth proportional to 20,552.03, 30,828.06 and 4,969.67 is: 7,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.03 : 30,828.06 = 4,969.67 : x
  2. Step 2: Convert to fraction form
    20,552.03/30,828.06 = 4,969.67/x
  3. Step 3: Cross multiply
    20,552.03x = 30,828.06 × 4,969.67
  4. Step 4: Simplify right side
    20,552.03x = 153,205,284.94
  5. Step 5: Solve for x
    x = 153,205,284.94/20,552.03
  6. Step 6: Final answer
    x = 7,454.51

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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.