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Finding the Fourth Proportional to 17,191.59, 25,788.75 and 7,330.96

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Solution

The fourth proportional to 17,191.59, 25,788.75 and 7,330.96 is: 10,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.59 : 25,788.75 = 7,330.96 : x
  2. Step 2: Convert to fraction form
    17,191.59/25,788.75 = 7,330.96/x
  3. Step 3: Cross multiply
    17,191.59x = 25,788.75 × 7,330.96
  4. Step 4: Simplify right side
    17,191.59x = 189,056,216.24
  5. Step 5: Solve for x
    x = 189,056,216.24/17,191.59
  6. Step 6: Final answer
    x = 10,997.02

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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.