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Finding the Fourth Proportional to 6,713.80, 10,070.70 and 3,433.30

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Solution

The fourth proportional to 6,713.80, 10,070.70 and 3,433.30 is: 5,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.80 : 10,070.70 = 3,433.30 : x
  2. Step 2: Convert to fraction form
    6,713.80/10,070.70 = 3,433.30/x
  3. Step 3: Cross multiply
    6,713.80x = 10,070.70 × 3,433.30
  4. Step 4: Simplify right side
    6,713.80x = 34,575,734.31
  5. Step 5: Solve for x
    x = 34,575,734.31/6,713.80
  6. Step 6: Final answer
    x = 5,149.95

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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.