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Finding the Fourth Proportional to 2,998.94, 4,499.84 and 1,356

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Solution

The fourth proportional to 2,998.94, 4,499.84 and 1,356 is: 2,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.94 : 4,499.84 = 1,356 : x
  2. Step 2: Convert to fraction form
    2,998.94/4,499.84 = 1,356/x
  3. Step 3: Cross multiply
    2,998.94x = 4,499.84 × 1,356
  4. Step 4: Simplify right side
    2,998.94x = 6,101,783.04
  5. Step 5: Solve for x
    x = 6,101,783.04/2,998.94
  6. Step 6: Final answer
    x = 2,034.65

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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.