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Finding the Fourth Proportional to 3,168.54, 4,753.62 and 1,525.86

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Solution

The fourth proportional to 3,168.54, 4,753.62 and 1,525.86 is: 2,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.54 : 4,753.62 = 1,525.86 : x
  2. Step 2: Convert to fraction form
    3,168.54/4,753.62 = 1,525.86/x
  3. Step 3: Cross multiply
    3,168.54x = 4,753.62 × 1,525.86
  4. Step 4: Simplify right side
    3,168.54x = 7,253,358.61
  5. Step 5: Solve for x
    x = 7,253,358.61/3,168.54
  6. Step 6: Final answer
    x = 2,289.18

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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.