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Finding the Fourth Proportional to 4,489.98, 6,734.97 and 1,411.98

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Solution

The fourth proportional to 4,489.98, 6,734.97 and 1,411.98 is: 2,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.98 : 6,734.97 = 1,411.98 : x
  2. Step 2: Convert to fraction form
    4,489.98/6,734.97 = 1,411.98/x
  3. Step 3: Cross multiply
    4,489.98x = 6,734.97 × 1,411.98
  4. Step 4: Simplify right side
    4,489.98x = 9,509,642.94
  5. Step 5: Solve for x
    x = 9,509,642.94/4,489.98
  6. Step 6: Final answer
    x = 2,117.97

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1.5x scale

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.