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Finding the Fourth Proportional to 34,893.54, 48,154.16 and 19,786.82

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Solution

The fourth proportional to 34,893.54, 48,154.16 and 19,786.82 is: 27,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,893.54 : 48,154.16 = 19,786.82 : x
  2. Step 2: Convert to fraction form
    34,893.54/48,154.16 = 19,786.82/x
  3. Step 3: Cross multiply
    34,893.54x = 48,154.16 × 19,786.82
  4. Step 4: Simplify right side
    34,893.54x = 952,817,696.17
  5. Step 5: Solve for x
    x = 952,817,696.17/34,893.54
  6. Step 6: Final answer
    x = 27,306.42

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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.