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Finding the Fourth Proportional to 6,804.19, 10,203.65 and 2,643.65

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Solution

The fourth proportional to 6,804.19, 10,203.65 and 2,643.65 is: 3,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.19 : 10,203.65 = 2,643.65 : x
  2. Step 2: Convert to fraction form
    6,804.19/10,203.65 = 2,643.65/x
  3. Step 3: Cross multiply
    6,804.19x = 10,203.65 × 2,643.65
  4. Step 4: Simplify right side
    6,804.19x = 26,974,849.44
  5. Step 5: Solve for x
    x = 26,974,849.44/6,804.19
  6. Step 6: Final answer
    x = 3,964.45

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1.5x scale

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.