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Finding the Fourth Proportional to 34,954.80, 48,235.92 and 19,845.48

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Solution

The fourth proportional to 34,954.80, 48,235.92 and 19,845.48 is: 27,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,954.80 : 48,235.92 = 19,845.48 : x
  2. Step 2: Convert to fraction form
    34,954.80/48,235.92 = 19,845.48/x
  3. Step 3: Cross multiply
    34,954.80x = 48,235.92 × 19,845.48
  4. Step 4: Simplify right side
    34,954.80x = 957,264,985.64
  5. Step 5: Solve for x
    x = 957,264,985.64/34,954.80
  6. Step 6: Final answer
    x = 27,385.79

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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.