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Finding the Fourth Proportional to 1,847.12, 2,548.92 and 1,019.12

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Solution

The fourth proportional to 1,847.12, 2,548.92 and 1,019.12 is: 1,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.12 : 2,548.92 = 1,019.12 : x
  2. Step 2: Convert to fraction form
    1,847.12/2,548.92 = 1,019.12/x
  3. Step 3: Cross multiply
    1,847.12x = 2,548.92 × 1,019.12
  4. Step 4: Simplify right side
    1,847.12x = 2,597,655.35
  5. Step 5: Solve for x
    x = 2,597,655.35/1,847.12
  6. Step 6: Final answer
    x = 1,406.33

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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.