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Finding the Fourth Proportional to 4,998.21, 6,898.13 and 3,672.37

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Solution

The fourth proportional to 4,998.21, 6,898.13 and 3,672.37 is: 5,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.21 : 6,898.13 = 3,672.37 : x
  2. Step 2: Convert to fraction form
    4,998.21/6,898.13 = 3,672.37/x
  3. Step 3: Cross multiply
    4,998.21x = 6,898.13 × 3,672.37
  4. Step 4: Simplify right side
    4,998.21x = 25,332,485.67
  5. Step 5: Solve for x
    x = 25,332,485.67/4,998.21
  6. Step 6: Final answer
    x = 5,068.31

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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.