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Finding the Fourth Proportional to 33,239.84, 49,881.40 and 17,668.40

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Solution

The fourth proportional to 33,239.84, 49,881.40 and 17,668.40 is: 26,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.84 : 49,881.40 = 17,668.40 : x
  2. Step 2: Convert to fraction form
    33,239.84/49,881.40 = 17,668.40/x
  3. Step 3: Cross multiply
    33,239.84x = 49,881.40 × 17,668.40
  4. Step 4: Simplify right side
    33,239.84x = 881,324,527.76
  5. Step 5: Solve for x
    x = 881,324,527.76/33,239.84
  6. Step 6: Final answer
    x = 26,514.10

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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.