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Finding the Fourth Proportional to 8,553.74, 11,801.50 and 5,907.74

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Solution

The fourth proportional to 8,553.74, 11,801.50 and 5,907.74 is: 8,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.74 : 11,801.50 = 5,907.74 : x
  2. Step 2: Convert to fraction form
    8,553.74/11,801.50 = 5,907.74/x
  3. Step 3: Cross multiply
    8,553.74x = 11,801.50 × 5,907.74
  4. Step 4: Simplify right side
    8,553.74x = 69,720,119.83
  5. Step 5: Solve for x
    x = 69,720,119.83/8,553.74
  6. Step 6: Final answer
    x = 8,150.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.