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Finding the Fourth Proportional to 3,755.43, 5,606.28 and 3,263.49

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Solution

The fourth proportional to 3,755.43, 5,606.28 and 3,263.49 is: 4,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.43 : 5,606.28 = 3,263.49 : x
  2. Step 2: Convert to fraction form
    3,755.43/5,606.28 = 3,263.49/x
  3. Step 3: Cross multiply
    3,755.43x = 5,606.28 × 3,263.49
  4. Step 4: Simplify right side
    3,755.43x = 18,296,038.72
  5. Step 5: Solve for x
    x = 18,296,038.72/3,755.43
  6. Step 6: Final answer
    x = 4,871.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.