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Finding the Fourth Proportional to 6,643.08, 9,165.42 and 3,848.04

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Solution

The fourth proportional to 6,643.08, 9,165.42 and 3,848.04 is: 5,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.08 : 9,165.42 = 3,848.04 : x
  2. Step 2: Convert to fraction form
    6,643.08/9,165.42 = 3,848.04/x
  3. Step 3: Cross multiply
    6,643.08x = 9,165.42 × 3,848.04
  4. Step 4: Simplify right side
    6,643.08x = 35,268,902.78
  5. Step 5: Solve for x
    x = 35,268,902.78/6,643.08
  6. Step 6: Final answer
    x = 5,309.12

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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.