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Finding the Fourth Proportional to 40,487.54, 61,039.62 and 37,633.51

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Solution

The fourth proportional to 40,487.54, 61,039.62 and 37,633.51 is: 56,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.54 : 61,039.62 = 37,633.51 : x
  2. Step 2: Convert to fraction form
    40,487.54/61,039.62 = 37,633.51/x
  3. Step 3: Cross multiply
    40,487.54x = 61,039.62 × 37,633.51
  4. Step 4: Simplify right side
    40,487.54x = 2,297,135,149.67
  5. Step 5: Solve for x
    x = 2,297,135,149.67/40,487.54
  6. Step 6: Final answer
    x = 56,736.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.