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Finding the Fourth Proportional to 61,359.53, 92,034.43 and 21,912.53

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Solution

The fourth proportional to 61,359.53, 92,034.43 and 21,912.53 is: 32,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.53 : 92,034.43 = 21,912.53 : x
  2. Step 2: Convert to fraction form
    61,359.53/92,034.43 = 21,912.53/x
  3. Step 3: Cross multiply
    61,359.53x = 92,034.43 × 21,912.53
  4. Step 4: Simplify right side
    61,359.53x = 2,016,706,693.45
  5. Step 5: Solve for x
    x = 2,016,706,693.45/61,359.53
  6. Step 6: Final answer
    x = 32,867.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.