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Finding the Fourth Proportional to 22,606.70, 33,918.24 and 13,740.17

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Solution

The fourth proportional to 22,606.70, 33,918.24 and 13,740.17 is: 20,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,606.70 : 33,918.24 = 13,740.17 : x
  2. Step 2: Convert to fraction form
    22,606.70/33,918.24 = 13,740.17/x
  3. Step 3: Cross multiply
    22,606.70x = 33,918.24 × 13,740.17
  4. Step 4: Simplify right side
    22,606.70x = 466,042,383.70
  5. Step 5: Solve for x
    x = 466,042,383.70/22,606.70
  6. Step 6: Final answer
    x = 20,615.23

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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.