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Finding the Fourth Proportional to 58,505.70, 80,731.95 and 33,968.02

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Solution

The fourth proportional to 58,505.70, 80,731.95 and 33,968.02 is: 46,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,505.70 : 80,731.95 = 33,968.02 : x
  2. Step 2: Convert to fraction form
    58,505.70/80,731.95 = 33,968.02/x
  3. Step 3: Cross multiply
    58,505.70x = 80,731.95 × 33,968.02
  4. Step 4: Simplify right side
    58,505.70x = 2,742,304,182.88
  5. Step 5: Solve for x
    x = 2,742,304,182.88/58,505.70
  6. Step 6: Final answer
    x = 46,872.43

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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.