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Finding the Fourth Proportional to 58,888.56, 81,267 and 33,738

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Solution

The fourth proportional to 58,888.56, 81,267 and 33,738 is: 46,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,888.56 : 81,267 = 33,738 : x
  2. Step 2: Convert to fraction form
    58,888.56/81,267 = 33,738/x
  3. Step 3: Cross multiply
    58,888.56x = 81,267 × 33,738
  4. Step 4: Simplify right side
    58,888.56x = 2,741,786,046
  5. Step 5: Solve for x
    x = 2,741,786,046/58,888.56
  6. Step 6: Final answer
    x = 46,558.89

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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.