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Finding the Fourth Proportional to 58,381.75, 80,566.91 and 33,231.25

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Solution

The fourth proportional to 58,381.75, 80,566.91 and 33,231.25 is: 45,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,381.75 : 80,566.91 = 33,231.25 : x
  2. Step 2: Convert to fraction form
    58,381.75/80,566.91 = 33,231.25/x
  3. Step 3: Cross multiply
    58,381.75x = 80,566.91 × 33,231.25
  4. Step 4: Simplify right side
    58,381.75x = 2,677,339,127.94
  5. Step 5: Solve for x
    x = 2,677,339,127.94/58,381.75
  6. Step 6: Final answer
    x = 45,859.18

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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.