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Finding the Fourth Proportional to 1,836.17, 2,533.86 and 996.87

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Solution

The fourth proportional to 1,836.17, 2,533.86 and 996.87 is: 1,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.17 : 2,533.86 = 996.87 : x
  2. Step 2: Convert to fraction form
    1,836.17/2,533.86 = 996.87/x
  3. Step 3: Cross multiply
    1,836.17x = 2,533.86 × 996.87
  4. Step 4: Simplify right side
    1,836.17x = 2,525,929.02
  5. Step 5: Solve for x
    x = 2,525,929.02/1,836.17
  6. Step 6: Final answer
    x = 1,375.65

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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.