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Finding the Fourth Proportional to 12,232.70, 16,878.81 and 11,609.86

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Solution

The fourth proportional to 12,232.70, 16,878.81 and 11,609.86 is: 16,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.70 : 16,878.81 = 11,609.86 : x
  2. Step 2: Convert to fraction form
    12,232.70/16,878.81 = 11,609.86/x
  3. Step 3: Cross multiply
    12,232.70x = 16,878.81 × 11,609.86
  4. Step 4: Simplify right side
    12,232.70x = 195,960,536.67
  5. Step 5: Solve for x
    x = 195,960,536.67/12,232.70
  6. Step 6: Final answer
    x = 16,019.40

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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.