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Finding the Fourth Proportional to 6,794.67, 9,386.13 and 6,440.00

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Solution

The fourth proportional to 6,794.67, 9,386.13 and 6,440.00 is: 8,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.67 : 9,386.13 = 6,440.00 : x
  2. Step 2: Convert to fraction form
    6,794.67/9,386.13 = 6,440.00/x
  3. Step 3: Cross multiply
    6,794.67x = 9,386.13 × 6,440.00
  4. Step 4: Simplify right side
    6,794.67x = 60,446,630.27
  5. Step 5: Solve for x
    x = 60,446,630.27/6,794.67
  6. Step 6: Final answer
    x = 8,896.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.