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Finding the Fourth Proportional to 51,757.99, 77,581.62 and 26,772.88

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Solution

The fourth proportional to 51,757.99, 77,581.62 and 26,772.88 is: 40,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,757.99 : 77,581.62 = 26,772.88 : x
  2. Step 2: Convert to fraction form
    51,757.99/77,581.62 = 26,772.88/x
  3. Step 3: Cross multiply
    51,757.99x = 77,581.62 × 26,772.88
  4. Step 4: Simplify right side
    51,757.99x = 2,077,083,402.47
  5. Step 5: Solve for x
    x = 2,077,083,402.47/51,757.99
  6. Step 6: Final answer
    x = 40,130.68

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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.