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Finding the Fourth Proportional to 3,694.60, 4,909.93 and 3,694.60

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Solution

The fourth proportional to 3,694.60, 4,909.93 and 3,694.60 is: 4,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.60 : 4,909.93 = 3,694.60 : x
  2. Step 2: Convert to fraction form
    3,694.60/4,909.93 = 3,694.60/x
  3. Step 3: Cross multiply
    3,694.60x = 4,909.93 × 3,694.60
  4. Step 4: Simplify right side
    3,694.60x = 18,140,227.38
  5. Step 5: Solve for x
    x = 18,140,227.38/3,694.60
  6. Step 6: Final answer
    x = 4,909.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.