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Finding the Fourth Proportional to 6,871.02, 9,482.04 and 3,727.26

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Solution

The fourth proportional to 6,871.02, 9,482.04 and 3,727.26 is: 5,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.02 : 9,482.04 = 3,727.26 : x
  2. Step 2: Convert to fraction form
    6,871.02/9,482.04 = 3,727.26/x
  3. Step 3: Cross multiply
    6,871.02x = 9,482.04 × 3,727.26
  4. Step 4: Simplify right side
    6,871.02x = 35,342,028.41
  5. Step 5: Solve for x
    x = 35,342,028.41/6,871.02
  6. Step 6: Final answer
    x = 5,143.64

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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.