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Finding the Fourth Proportional to 34,395.54, 51,595.76 and 11,896.89

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Solution

The fourth proportional to 34,395.54, 51,595.76 and 11,896.89 is: 17,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,395.54 : 51,595.76 = 11,896.89 : x
  2. Step 2: Convert to fraction form
    34,395.54/51,595.76 = 11,896.89/x
  3. Step 3: Cross multiply
    34,395.54x = 51,595.76 × 11,896.89
  4. Step 4: Simplify right side
    34,395.54x = 613,829,081.19
  5. Step 5: Solve for x
    x = 613,829,081.19/34,395.54
  6. Step 6: Final answer
    x = 17,846.18

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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.