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Finding the Fourth Proportional to 1,836.11, 2,533.85 and 996.83

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Solution

The fourth proportional to 1,836.11, 2,533.85 and 996.83 is: 1,375.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.11 : 2,533.85 = 996.83 : x
  2. Step 2: Convert to fraction form
    1,836.11/2,533.85 = 996.83/x
  3. Step 3: Cross multiply
    1,836.11x = 2,533.85 × 996.83
  4. Step 4: Simplify right side
    1,836.11x = 2,525,807.52
  5. Step 5: Solve for x
    x = 2,525,807.52/1,836.11
  6. Step 6: Final answer
    x = 1,375.63

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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.