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Finding the Fourth Proportional to 6,517.30, 8,981.81 and 4,628.96

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Solution

The fourth proportional to 6,517.30, 8,981.81 and 4,628.96 is: 6,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.30 : 8,981.81 = 4,628.96 : x
  2. Step 2: Convert to fraction form
    6,517.30/8,981.81 = 4,628.96/x
  3. Step 3: Cross multiply
    6,517.30x = 8,981.81 × 4,628.96
  4. Step 4: Simplify right side
    6,517.30x = 41,576,416.07
  5. Step 5: Solve for x
    x = 41,576,416.07/6,517.30
  6. Step 6: Final answer
    x = 6,379.40

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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.