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Finding the Fourth Proportional to 4,689.98, 7,033.94 and 1,403.33

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Solution

The fourth proportional to 4,689.98, 7,033.94 and 1,403.33 is: 2,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.98 : 7,033.94 = 1,403.33 : x
  2. Step 2: Convert to fraction form
    4,689.98/7,033.94 = 1,403.33/x
  3. Step 3: Cross multiply
    4,689.98x = 7,033.94 × 1,403.33
  4. Step 4: Simplify right side
    4,689.98x = 9,870,902.10
  5. Step 5: Solve for x
    x = 9,870,902.10/4,689.98
  6. Step 6: Final answer
    x = 2,104.68

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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.