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Finding the Fourth Proportional to 8,907.54, 13,359.25 and 3,974.50

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Solution

The fourth proportional to 8,907.54, 13,359.25 and 3,974.50 is: 5,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.54 : 13,359.25 = 3,974.50 : x
  2. Step 2: Convert to fraction form
    8,907.54/13,359.25 = 3,974.50/x
  3. Step 3: Cross multiply
    8,907.54x = 13,359.25 × 3,974.50
  4. Step 4: Simplify right side
    8,907.54x = 53,096,339.13
  5. Step 5: Solve for x
    x = 53,096,339.13/8,907.54
  6. Step 6: Final answer
    x = 5,960.83

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1.5x scale

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.