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Finding the Fourth Proportional to 52,375.83, 78,576.03 and 17,315.25

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Solution

The fourth proportional to 52,375.83, 78,576.03 and 17,315.25 is: 25,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.83 : 78,576.03 = 17,315.25 : x
  2. Step 2: Convert to fraction form
    52,375.83/78,576.03 = 17,315.25/x
  3. Step 3: Cross multiply
    52,375.83x = 78,576.03 × 17,315.25
  4. Step 4: Simplify right side
    52,375.83x = 1,360,563,603.46
  5. Step 5: Solve for x
    x = 1,360,563,603.46/52,375.83
  6. Step 6: Final answer
    x = 25,976.94

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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.