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Finding the Fourth Proportional to 3,666.13, 5,059.13 and 2,173.16

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Solution

The fourth proportional to 3,666.13, 5,059.13 and 2,173.16 is: 2,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.13 : 5,059.13 = 2,173.16 : x
  2. Step 2: Convert to fraction form
    3,666.13/5,059.13 = 2,173.16/x
  3. Step 3: Cross multiply
    3,666.13x = 5,059.13 × 2,173.16
  4. Step 4: Simplify right side
    3,666.13x = 10,994,262.79
  5. Step 5: Solve for x
    x = 10,994,262.79/3,666.13
  6. Step 6: Final answer
    x = 2,998.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.