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Finding the Fourth Proportional to 6,666.75, 10,000.70 and 1,736.39

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Solution

The fourth proportional to 6,666.75, 10,000.70 and 1,736.39 is: 2,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.75 : 10,000.70 = 1,736.39 : x
  2. Step 2: Convert to fraction form
    6,666.75/10,000.70 = 1,736.39/x
  3. Step 3: Cross multiply
    6,666.75x = 10,000.70 × 1,736.39
  4. Step 4: Simplify right side
    6,666.75x = 17,365,115.47
  5. Step 5: Solve for x
    x = 17,365,115.47/6,666.75
  6. Step 6: Final answer
    x = 2,604.73

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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.