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Finding the Fourth Proportional to 3,668.88, 5,492.94 and 3,322.92

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Solution

The fourth proportional to 3,668.88, 5,492.94 and 3,322.92 is: 4,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.88 : 5,492.94 = 3,322.92 : x
  2. Step 2: Convert to fraction form
    3,668.88/5,492.94 = 3,322.92/x
  3. Step 3: Cross multiply
    3,668.88x = 5,492.94 × 3,322.92
  4. Step 4: Simplify right side
    3,668.88x = 18,252,600.18
  5. Step 5: Solve for x
    x = 18,252,600.18/3,668.88
  6. Step 6: Final answer
    x = 4,974.98

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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.