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Finding the Fourth Proportional to 6,881.54, 10,318.05 and 4,683.60

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Solution

The fourth proportional to 6,881.54, 10,318.05 and 4,683.60 is: 7,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.54 : 10,318.05 = 4,683.60 : x
  2. Step 2: Convert to fraction form
    6,881.54/10,318.05 = 4,683.60/x
  3. Step 3: Cross multiply
    6,881.54x = 10,318.05 × 4,683.60
  4. Step 4: Simplify right side
    6,881.54x = 48,325,618.98
  5. Step 5: Solve for x
    x = 48,325,618.98/6,881.54
  6. Step 6: Final answer
    x = 7,022.51

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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.