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Finding the Fourth Proportional to 15,672.53, 23,511.87 and 6,907.52

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Solution

The fourth proportional to 15,672.53, 23,511.87 and 6,907.52 is: 10,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.53 : 23,511.87 = 6,907.52 : x
  2. Step 2: Convert to fraction form
    15,672.53/23,511.87 = 6,907.52/x
  3. Step 3: Cross multiply
    15,672.53x = 23,511.87 × 6,907.52
  4. Step 4: Simplify right side
    15,672.53x = 162,408,594.70
  5. Step 5: Solve for x
    x = 162,408,594.70/15,672.53
  6. Step 6: Final answer
    x = 10,362.63

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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.