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Finding the Fourth Proportional to 57,901.02, 79,839.96 and 37,720.48

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Solution

The fourth proportional to 57,901.02, 79,839.96 and 37,720.48 is: 52,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901.02 : 79,839.96 = 37,720.48 : x
  2. Step 2: Convert to fraction form
    57,901.02/79,839.96 = 37,720.48/x
  3. Step 3: Cross multiply
    57,901.02x = 79,839.96 × 37,720.48
  4. Step 4: Simplify right side
    57,901.02x = 3,011,601,614.38
  5. Step 5: Solve for x
    x = 3,011,601,614.38/57,901.02
  6. Step 6: Final answer
    x = 52,012.93

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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.