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Finding the Fourth Proportional to 6,807.95, 9,396.91 and 3,975.99

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Solution

The fourth proportional to 6,807.95, 9,396.91 and 3,975.99 is: 5,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.95 : 9,396.91 = 3,975.99 : x
  2. Step 2: Convert to fraction form
    6,807.95/9,396.91 = 3,975.99/x
  3. Step 3: Cross multiply
    6,807.95x = 9,396.91 × 3,975.99
  4. Step 4: Simplify right side
    6,807.95x = 37,362,020.19
  5. Step 5: Solve for x
    x = 37,362,020.19/6,807.95
  6. Step 6: Final answer
    x = 5,488.00

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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.