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Finding the Fourth Proportional to 22,242.84, 33,402.40 and 19,749.64

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Solution

The fourth proportional to 22,242.84, 33,402.40 and 19,749.64 is: 29,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.84 : 33,402.40 = 19,749.64 : x
  2. Step 2: Convert to fraction form
    22,242.84/33,402.40 = 19,749.64/x
  3. Step 3: Cross multiply
    22,242.84x = 33,402.40 × 19,749.64
  4. Step 4: Simplify right side
    22,242.84x = 659,685,375.14
  5. Step 5: Solve for x
    x = 659,685,375.14/22,242.84
  6. Step 6: Final answer
    x = 29,658.32

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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.