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Finding the Fourth Proportional to 33,812.68, 46,650.12 and 19,653.88

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Solution

The fourth proportional to 33,812.68, 46,650.12 and 19,653.88 is: 27,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,812.68 : 46,650.12 = 19,653.88 : x
  2. Step 2: Convert to fraction form
    33,812.68/46,650.12 = 19,653.88/x
  3. Step 3: Cross multiply
    33,812.68x = 46,650.12 × 19,653.88
  4. Step 4: Simplify right side
    33,812.68x = 916,855,860.47
  5. Step 5: Solve for x
    x = 916,855,860.47/33,812.68
  6. Step 6: Final answer
    x = 27,115.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.