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Finding the Fourth Proportional to 1,754.96, 2,633.08 and 829.82

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Solution

The fourth proportional to 1,754.96, 2,633.08 and 829.82 is: 1,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.96 : 2,633.08 = 829.82 : x
  2. Step 2: Convert to fraction form
    1,754.96/2,633.08 = 829.82/x
  3. Step 3: Cross multiply
    1,754.96x = 2,633.08 × 829.82
  4. Step 4: Simplify right side
    1,754.96x = 2,184,982.45
  5. Step 5: Solve for x
    x = 2,184,982.45/1,754.96
  6. Step 6: Final answer
    x = 1,245.03

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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.