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Finding the Fourth Proportional to 5,447.23, 8,171.14 and 1,749.17

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Solution

The fourth proportional to 5,447.23, 8,171.14 and 1,749.17 is: 2,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.23 : 8,171.14 = 1,749.17 : x
  2. Step 2: Convert to fraction form
    5,447.23/8,171.14 = 1,749.17/x
  3. Step 3: Cross multiply
    5,447.23x = 8,171.14 × 1,749.17
  4. Step 4: Simplify right side
    5,447.23x = 14,292,729.32
  5. Step 5: Solve for x
    x = 14,292,729.32/5,447.23
  6. Step 6: Final answer
    x = 2,623.85

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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.