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Finding the Fourth Proportional to 53,361.78, 73,636.86 and 29,487.94

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Solution

The fourth proportional to 53,361.78, 73,636.86 and 29,487.94 is: 40,692.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.78 : 73,636.86 = 29,487.94 : x
  2. Step 2: Convert to fraction form
    53,361.78/73,636.86 = 29,487.94/x
  3. Step 3: Cross multiply
    53,361.78x = 73,636.86 × 29,487.94
  4. Step 4: Simplify right side
    53,361.78x = 2,171,399,125.38
  5. Step 5: Solve for x
    x = 2,171,399,125.38/53,361.78
  6. Step 6: Final answer
    x = 40,692.03

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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.