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Finding the Fourth Proportional to 55,299.71, 82,950.02 and 34,300.87

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Solution

The fourth proportional to 55,299.71, 82,950.02 and 34,300.87 is: 51,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,299.71 : 82,950.02 = 34,300.87 : x
  2. Step 2: Convert to fraction form
    55,299.71/82,950.02 = 34,300.87/x
  3. Step 3: Cross multiply
    55,299.71x = 82,950.02 × 34,300.87
  4. Step 4: Simplify right side
    55,299.71x = 2,845,257,795.21
  5. Step 5: Solve for x
    x = 2,845,257,795.21/55,299.71
  6. Step 6: Final answer
    x = 51,451.58

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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.