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Finding the Fourth Proportional to 34,843.60, 48,083.92 and 18,927.91

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Solution

The fourth proportional to 34,843.60, 48,083.92 and 18,927.91 is: 26,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,843.60 : 48,083.92 = 18,927.91 : x
  2. Step 2: Convert to fraction form
    34,843.60/48,083.92 = 18,927.91/x
  3. Step 3: Cross multiply
    34,843.60x = 48,083.92 × 18,927.91
  4. Step 4: Simplify right side
    34,843.60x = 910,128,110.21
  5. Step 5: Solve for x
    x = 910,128,110.21/34,843.60
  6. Step 6: Final answer
    x = 26,120.38

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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.