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Finding the Fourth Proportional to 2,700.54, 3,728.43 and 1,769.58

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Solution

The fourth proportional to 2,700.54, 3,728.43 and 1,769.58 is: 2,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.54 : 3,728.43 = 1,769.58 : x
  2. Step 2: Convert to fraction form
    2,700.54/3,728.43 = 1,769.58/x
  3. Step 3: Cross multiply
    2,700.54x = 3,728.43 × 1,769.58
  4. Step 4: Simplify right side
    2,700.54x = 6,597,755.16
  5. Step 5: Solve for x
    x = 6,597,755.16/2,700.54
  6. Step 6: Final answer
    x = 2,443.12

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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.