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Finding the Fourth Proportional to 3,666.67, 5,501.15 and 1,069.63

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Solution

The fourth proportional to 3,666.67, 5,501.15 and 1,069.63 is: 1,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.67 : 5,501.15 = 1,069.63 : x
  2. Step 2: Convert to fraction form
    3,666.67/5,501.15 = 1,069.63/x
  3. Step 3: Cross multiply
    3,666.67x = 5,501.15 × 1,069.63
  4. Step 4: Simplify right side
    3,666.67x = 5,884,195.07
  5. Step 5: Solve for x
    x = 5,884,195.07/3,666.67
  6. Step 6: Final answer
    x = 1,604.78

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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.