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Finding the Fourth Proportional to 1,609.77, 2,222.99 and 1,522.41

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Solution

The fourth proportional to 1,609.77, 2,222.99 and 1,522.41 is: 2,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.77 : 2,222.99 = 1,522.41 : x
  2. Step 2: Convert to fraction form
    1,609.77/2,222.99 = 1,522.41/x
  3. Step 3: Cross multiply
    1,609.77x = 2,222.99 × 1,522.41
  4. Step 4: Simplify right side
    1,609.77x = 3,384,306.01
  5. Step 5: Solve for x
    x = 3,384,306.01/1,609.77
  6. Step 6: Final answer
    x = 2,102.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.