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Finding the Fourth Proportional to 55,390.46, 83,096.00 and 17,947.19

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Solution

The fourth proportional to 55,390.46, 83,096.00 and 17,947.19 is: 26,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,390.46 : 83,096.00 = 17,947.19 : x
  2. Step 2: Convert to fraction form
    55,390.46/83,096.00 = 17,947.19/x
  3. Step 3: Cross multiply
    55,390.46x = 83,096.00 × 17,947.19
  4. Step 4: Simplify right side
    55,390.46x = 1,491,339,329.63
  5. Step 5: Solve for x
    x = 1,491,339,329.63/55,390.46
  6. Step 6: Final answer
    x = 26,924.12

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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.