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Finding the Fourth Proportional to 58,892.90, 81,272.04 and 33,051.47

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Solution

The fourth proportional to 58,892.90, 81,272.04 and 33,051.47 is: 45,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,892.90 : 81,272.04 = 33,051.47 : x
  2. Step 2: Convert to fraction form
    58,892.90/81,272.04 = 33,051.47/x
  3. Step 3: Cross multiply
    58,892.90x = 81,272.04 × 33,051.47
  4. Step 4: Simplify right side
    58,892.90x = 2,686,160,391.90
  5. Step 5: Solve for x
    x = 2,686,160,391.90/58,892.90
  6. Step 6: Final answer
    x = 45,610.94

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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.