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Finding the Fourth Proportional to 22,041, 30,416.76 and 12,609.36

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Solution

The fourth proportional to 22,041, 30,416.76 and 12,609.36 is: 17,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041 : 30,416.76 = 12,609.36 : x
  2. Step 2: Convert to fraction form
    22,041/30,416.76 = 12,609.36/x
  3. Step 3: Cross multiply
    22,041x = 30,416.76 × 12,609.36
  4. Step 4: Simplify right side
    22,041x = 383,535,876.87
  5. Step 5: Solve for x
    x = 383,535,876.87/22,041
  6. Step 6: Final answer
    x = 17,401.02

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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.