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Finding the Fourth Proportional to 2,134.45, 3,195.60 and 2,134.45

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Solution

The fourth proportional to 2,134.45, 3,195.60 and 2,134.45 is: 3,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.45 : 3,195.60 = 2,134.45 : x
  2. Step 2: Convert to fraction form
    2,134.45/3,195.60 = 2,134.45/x
  3. Step 3: Cross multiply
    2,134.45x = 3,195.60 × 2,134.45
  4. Step 4: Simplify right side
    2,134.45x = 6,820,848.42
  5. Step 5: Solve for x
    x = 6,820,848.42/2,134.45
  6. Step 6: Final answer
    x = 3,195.60

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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.