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Finding the Fourth Proportional to 17,191.60, 25,788.74 and 7,330.94

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Solution

The fourth proportional to 17,191.60, 25,788.74 and 7,330.94 is: 10,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.60 : 25,788.74 = 7,330.94 : x
  2. Step 2: Convert to fraction form
    17,191.60/25,788.74 = 7,330.94/x
  3. Step 3: Cross multiply
    17,191.60x = 25,788.74 × 7,330.94
  4. Step 4: Simplify right side
    17,191.60x = 189,055,705.62
  5. Step 5: Solve for x
    x = 189,055,705.62/17,191.60
  6. Step 6: Final answer
    x = 10,996.98

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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.