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Finding the Fourth Proportional to 74,012.97, 110,936.22 and 36,493.63

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Solution

The fourth proportional to 74,012.97, 110,936.22 and 36,493.63 is: 54,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,012.97 : 110,936.22 = 36,493.63 : x
  2. Step 2: Convert to fraction form
    74,012.97/110,936.22 = 36,493.63/x
  3. Step 3: Cross multiply
    74,012.97x = 110,936.22 × 36,493.63
  4. Step 4: Simplify right side
    74,012.97x = 4,048,465,366.28
  5. Step 5: Solve for x
    x = 4,048,465,366.28/74,012.97
  6. Step 6: Final answer
    x = 54,699.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.