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Finding the Fourth Proportional to 5,988.50, 8,975.25 and 3,208.28

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Solution

The fourth proportional to 5,988.50, 8,975.25 and 3,208.28 is: 4,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.50 : 8,975.25 = 3,208.28 : x
  2. Step 2: Convert to fraction form
    5,988.50/8,975.25 = 3,208.28/x
  3. Step 3: Cross multiply
    5,988.50x = 8,975.25 × 3,208.28
  4. Step 4: Simplify right side
    5,988.50x = 28,795,115.07
  5. Step 5: Solve for x
    x = 28,795,115.07/5,988.50
  6. Step 6: Final answer
    x = 4,808.40

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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.