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Finding the Fourth Proportional to 61,988.94, 85,544.33 and 33,694.63

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Solution

The fourth proportional to 61,988.94, 85,544.33 and 33,694.63 is: 46,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,988.94 : 85,544.33 = 33,694.63 : x
  2. Step 2: Convert to fraction form
    61,988.94/85,544.33 = 33,694.63/x
  3. Step 3: Cross multiply
    61,988.94x = 85,544.33 × 33,694.63
  4. Step 4: Simplify right side
    61,988.94x = 2,882,384,165.61
  5. Step 5: Solve for x
    x = 2,882,384,165.61/61,988.94
  6. Step 6: Final answer
    x = 46,498.36

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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.