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Finding the Fourth Proportional to 5,651.13, 8,476.89 and 1,755.43

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Solution

The fourth proportional to 5,651.13, 8,476.89 and 1,755.43 is: 2,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.13 : 8,476.89 = 1,755.43 : x
  2. Step 2: Convert to fraction form
    5,651.13/8,476.89 = 1,755.43/x
  3. Step 3: Cross multiply
    5,651.13x = 8,476.89 × 1,755.43
  4. Step 4: Simplify right side
    5,651.13x = 14,880,587.01
  5. Step 5: Solve for x
    x = 14,880,587.01/5,651.13
  6. Step 6: Final answer
    x = 2,633.21

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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.