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Finding the Fourth Proportional to 2,999.88, 4,498.50 and 1,356.36

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Solution

The fourth proportional to 2,999.88, 4,498.50 and 1,356.36 is: 2,033.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.88 : 4,498.50 = 1,356.36 : x
  2. Step 2: Convert to fraction form
    2,999.88/4,498.50 = 1,356.36/x
  3. Step 3: Cross multiply
    2,999.88x = 4,498.50 × 1,356.36
  4. Step 4: Simplify right side
    2,999.88x = 6,101,585.46
  5. Step 5: Solve for x
    x = 6,101,585.46/2,999.88
  6. Step 6: Final answer
    x = 2,033.94

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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.