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Finding the Fourth Proportional to 3,643.03, 5,461.84 and 1,450.09

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Solution

The fourth proportional to 3,643.03, 5,461.84 and 1,450.09 is: 2,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.03 : 5,461.84 = 1,450.09 : x
  2. Step 2: Convert to fraction form
    3,643.03/5,461.84 = 1,450.09/x
  3. Step 3: Cross multiply
    3,643.03x = 5,461.84 × 1,450.09
  4. Step 4: Simplify right side
    3,643.03x = 7,920,159.57
  5. Step 5: Solve for x
    x = 7,920,159.57/3,643.03
  6. Step 6: Final answer
    x = 2,174.06

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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.