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Finding the Fourth Proportional to 6,711.55, 10,070.54 and 2,765.68

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Solution

The fourth proportional to 6,711.55, 10,070.54 and 2,765.68 is: 4,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.55 : 10,070.54 = 2,765.68 : x
  2. Step 2: Convert to fraction form
    6,711.55/10,070.54 = 2,765.68/x
  3. Step 3: Cross multiply
    6,711.55x = 10,070.54 × 2,765.68
  4. Step 4: Simplify right side
    6,711.55x = 27,851,891.07
  5. Step 5: Solve for x
    x = 27,851,891.07/6,711.55
  6. Step 6: Final answer
    x = 4,149.84

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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.