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Finding the Fourth Proportional to 37,036.50, 51,111.45 and 20,270.58

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Solution

The fourth proportional to 37,036.50, 51,111.45 and 20,270.58 is: 27,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,036.50 : 51,111.45 = 20,270.58 : x
  2. Step 2: Convert to fraction form
    37,036.50/51,111.45 = 20,270.58/x
  3. Step 3: Cross multiply
    37,036.50x = 51,111.45 × 20,270.58
  4. Step 4: Simplify right side
    37,036.50x = 1,036,058,736.14
  5. Step 5: Solve for x
    x = 1,036,058,736.14/37,036.50
  6. Step 6: Final answer
    x = 27,973.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.