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Finding the Fourth Proportional to 6,818.31, 10,166.54 and 6,804.99

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Solution

The fourth proportional to 6,818.31, 10,166.54 and 6,804.99 is: 10,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.31 : 10,166.54 = 6,804.99 : x
  2. Step 2: Convert to fraction form
    6,818.31/10,166.54 = 6,804.99/x
  3. Step 3: Cross multiply
    6,818.31x = 10,166.54 × 6,804.99
  4. Step 4: Simplify right side
    6,818.31x = 69,183,169.01
  5. Step 5: Solve for x
    x = 69,183,169.01/6,818.31
  6. Step 6: Final answer
    x = 10,146.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.