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Finding the Fourth Proportional to 6,888.56, 10,325.61 and 3,923.28

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Solution

The fourth proportional to 6,888.56, 10,325.61 and 3,923.28 is: 5,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.56 : 10,325.61 = 3,923.28 : x
  2. Step 2: Convert to fraction form
    6,888.56/10,325.61 = 3,923.28/x
  3. Step 3: Cross multiply
    6,888.56x = 10,325.61 × 3,923.28
  4. Step 4: Simplify right side
    6,888.56x = 40,510,259.20
  5. Step 5: Solve for x
    x = 40,510,259.20/6,888.56
  6. Step 6: Final answer
    x = 5,880.81

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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.