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Finding the Fourth Proportional to 4,425.62, 6,636.18 and 1,957.56

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Solution

The fourth proportional to 4,425.62, 6,636.18 and 1,957.56 is: 2,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.62 : 6,636.18 = 1,957.56 : x
  2. Step 2: Convert to fraction form
    4,425.62/6,636.18 = 1,957.56/x
  3. Step 3: Cross multiply
    4,425.62x = 6,636.18 × 1,957.56
  4. Step 4: Simplify right side
    4,425.62x = 12,990,720.52
  5. Step 5: Solve for x
    x = 12,990,720.52/4,425.62
  6. Step 6: Final answer
    x = 2,935.34

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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.