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Finding the Fourth Proportional to 5,998.84, 9,002.88 and 3,918.28

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Solution

The fourth proportional to 5,998.84, 9,002.88 and 3,918.28 is: 5,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.84 : 9,002.88 = 3,918.28 : x
  2. Step 2: Convert to fraction form
    5,998.84/9,002.88 = 3,918.28/x
  3. Step 3: Cross multiply
    5,998.84x = 9,002.88 × 3,918.28
  4. Step 4: Simplify right side
    5,998.84x = 35,275,804.65
  5. Step 5: Solve for x
    x = 35,275,804.65/5,998.84
  6. Step 6: Final answer
    x = 5,880.44

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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.