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Finding the Fourth Proportional to 5,694.20, 8,532.02 and 5,478.20

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Solution

The fourth proportional to 5,694.20, 8,532.02 and 5,478.20 is: 8,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.20 : 8,532.02 = 5,478.20 : x
  2. Step 2: Convert to fraction form
    5,694.20/8,532.02 = 5,478.20/x
  3. Step 3: Cross multiply
    5,694.20x = 8,532.02 × 5,478.20
  4. Step 4: Simplify right side
    5,694.20x = 46,740,111.96
  5. Step 5: Solve for x
    x = 46,740,111.96/5,694.20
  6. Step 6: Final answer
    x = 8,208.37

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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.