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Finding the Fourth Proportional to 17,975.81, 24,811.03 and 11,609.50

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Solution

The fourth proportional to 17,975.81, 24,811.03 and 11,609.50 is: 16,023.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.81 : 24,811.03 = 11,609.50 : x
  2. Step 2: Convert to fraction form
    17,975.81/24,811.03 = 11,609.50/x
  3. Step 3: Cross multiply
    17,975.81x = 24,811.03 × 11,609.50
  4. Step 4: Simplify right side
    17,975.81x = 288,043,652.79
  5. Step 5: Solve for x
    x = 288,043,652.79/17,975.81
  6. Step 6: Final answer
    x = 16,023.96

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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.