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Finding the Fourth Proportional to 6,706.20, 10,059.30 and 2,813.40

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Solution

The fourth proportional to 6,706.20, 10,059.30 and 2,813.40 is: 4,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,706.20 : 10,059.30 = 2,813.40 : x
  2. Step 2: Convert to fraction form
    6,706.20/10,059.30 = 2,813.40/x
  3. Step 3: Cross multiply
    6,706.20x = 10,059.30 × 2,813.40
  4. Step 4: Simplify right side
    6,706.20x = 28,300,834.62
  5. Step 5: Solve for x
    x = 28,300,834.62/6,706.20
  6. Step 6: Final answer
    x = 4,220.10

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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.