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Finding the Fourth Proportional to 54,401.68, 81,609.80 and 22,806.80

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Solution

The fourth proportional to 54,401.68, 81,609.80 and 22,806.80 is: 34,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.68 : 81,609.80 = 22,806.80 : x
  2. Step 2: Convert to fraction form
    54,401.68/81,609.80 = 22,806.80/x
  3. Step 3: Cross multiply
    54,401.68x = 81,609.80 × 22,806.80
  4. Step 4: Simplify right side
    54,401.68x = 1,861,258,386.64
  5. Step 5: Solve for x
    x = 1,861,258,386.64/54,401.68
  6. Step 6: Final answer
    x = 34,213.25

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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.