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Finding the Fourth Proportional to 4,871.73, 6,719.19 and 4,474.62

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Solution

The fourth proportional to 4,871.73, 6,719.19 and 4,474.62 is: 6,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.73 : 6,719.19 = 4,474.62 : x
  2. Step 2: Convert to fraction form
    4,871.73/6,719.19 = 4,474.62/x
  3. Step 3: Cross multiply
    4,871.73x = 6,719.19 × 4,474.62
  4. Step 4: Simplify right side
    4,871.73x = 30,065,821.96
  5. Step 5: Solve for x
    x = 30,065,821.96/4,871.73
  6. Step 6: Final answer
    x = 6,171.49

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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.