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Finding the Fourth Proportional to 4,847.96, 6,724.16 and 4,651.13

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Solution

The fourth proportional to 4,847.96, 6,724.16 and 4,651.13 is: 6,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.96 : 6,724.16 = 4,651.13 : x
  2. Step 2: Convert to fraction form
    4,847.96/6,724.16 = 4,651.13/x
  3. Step 3: Cross multiply
    4,847.96x = 6,724.16 × 4,651.13
  4. Step 4: Simplify right side
    4,847.96x = 31,274,885.42
  5. Step 5: Solve for x
    x = 31,274,885.42/4,847.96
  6. Step 6: Final answer
    x = 6,451.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.