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Finding the Fourth Proportional to 29,551.29, 40,783.92 and 18,072.92

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Solution

The fourth proportional to 29,551.29, 40,783.92 and 18,072.92 is: 24,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.29 : 40,783.92 = 18,072.92 : x
  2. Step 2: Convert to fraction form
    29,551.29/40,783.92 = 18,072.92/x
  3. Step 3: Cross multiply
    29,551.29x = 40,783.92 × 18,072.92
  4. Step 4: Simplify right side
    29,551.29x = 737,084,319.53
  5. Step 5: Solve for x
    x = 737,084,319.53/29,551.29
  6. Step 6: Final answer
    x = 24,942.54

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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.