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Finding the Fourth Proportional to 17,199.60, 25,800.76 and 7,338.96

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Solution

The fourth proportional to 17,199.60, 25,800.76 and 7,338.96 is: 11,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199.60 : 25,800.76 = 7,338.96 : x
  2. Step 2: Convert to fraction form
    17,199.60/25,800.76 = 7,338.96/x
  3. Step 3: Cross multiply
    17,199.60x = 25,800.76 × 7,338.96
  4. Step 4: Simplify right side
    17,199.60x = 189,350,745.61
  5. Step 5: Solve for x
    x = 189,350,745.61/17,199.60
  6. Step 6: Final answer
    x = 11,009.02

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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.