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Finding the Fourth Proportional to 58,892.90, 81,274.34 and 33,747.26

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Solution

The fourth proportional to 58,892.90, 81,274.34 and 33,747.26 is: 46,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,892.90 : 81,274.34 = 33,747.26 : x
  2. Step 2: Convert to fraction form
    58,892.90/81,274.34 = 33,747.26/x
  3. Step 3: Cross multiply
    58,892.90x = 81,274.34 × 33,747.26
  4. Step 4: Simplify right side
    58,892.90x = 2,742,786,283.31
  5. Step 5: Solve for x
    x = 2,742,786,283.31/58,892.90
  6. Step 6: Final answer
    x = 46,572.44

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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.