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Finding the Fourth Proportional to 58,991.58, 81,415.53 and 33,505.92

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Solution

The fourth proportional to 58,991.58, 81,415.53 and 33,505.92 is: 46,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,991.58 : 81,415.53 = 33,505.92 : x
  2. Step 2: Convert to fraction form
    58,991.58/81,415.53 = 33,505.92/x
  3. Step 3: Cross multiply
    58,991.58x = 81,415.53 × 33,505.92
  4. Step 4: Simplify right side
    58,991.58x = 2,727,902,234.94
  5. Step 5: Solve for x
    x = 2,727,902,234.94/58,991.58
  6. Step 6: Final answer
    x = 46,242.23

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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.