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Finding the Fourth Proportional to 33,780.51, 50,668.70 and 10,088.12

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Solution

The fourth proportional to 33,780.51, 50,668.70 and 10,088.12 is: 15,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.51 : 50,668.70 = 10,088.12 : x
  2. Step 2: Convert to fraction form
    33,780.51/50,668.70 = 10,088.12/x
  3. Step 3: Cross multiply
    33,780.51x = 50,668.70 × 10,088.12
  4. Step 4: Simplify right side
    33,780.51x = 511,152,002.08
  5. Step 5: Solve for x
    x = 511,152,002.08/33,780.51
  6. Step 6: Final answer
    x = 15,131.57

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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.