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Finding the Fourth Proportional to 58,750.98, 81,086.70 and 33,258.79

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Solution

The fourth proportional to 58,750.98, 81,086.70 and 33,258.79 is: 45,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,750.98 : 81,086.70 = 33,258.79 : x
  2. Step 2: Convert to fraction form
    58,750.98/81,086.70 = 33,258.79/x
  3. Step 3: Cross multiply
    58,750.98x = 81,086.70 × 33,258.79
  4. Step 4: Simplify right side
    58,750.98x = 2,696,845,527.09
  5. Step 5: Solve for x
    x = 2,696,845,527.09/58,750.98
  6. Step 6: Final answer
    x = 45,902.99

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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.