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Finding the Fourth Proportional to 51,615.99, 77,371.71 and 34,977.71

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Solution

The fourth proportional to 51,615.99, 77,371.71 and 34,977.71 is: 52,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615.99 : 77,371.71 = 34,977.71 : x
  2. Step 2: Convert to fraction form
    51,615.99/77,371.71 = 34,977.71/x
  3. Step 3: Cross multiply
    51,615.99x = 77,371.71 × 34,977.71
  4. Step 4: Simplify right side
    51,615.99x = 2,706,285,296.85
  5. Step 5: Solve for x
    x = 2,706,285,296.85/51,615.99
  6. Step 6: Final answer
    x = 52,431.14

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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.