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Finding the Fourth Proportional to 58,850.21, 81,213.81 and 31,992.77

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Solution

The fourth proportional to 58,850.21, 81,213.81 and 31,992.77 is: 44,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,850.21 : 81,213.81 = 31,992.77 : x
  2. Step 2: Convert to fraction form
    58,850.21/81,213.81 = 31,992.77/x
  3. Step 3: Cross multiply
    58,850.21x = 81,213.81 × 31,992.77
  4. Step 4: Simplify right side
    58,850.21x = 2,598,254,338.08
  5. Step 5: Solve for x
    x = 2,598,254,338.08/58,850.21
  6. Step 6: Final answer
    x = 44,150.30

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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.