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Finding the Fourth Proportional to 8,404.94, 11,599.07 and 4,628.21

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Solution

The fourth proportional to 8,404.94, 11,599.07 and 4,628.21 is: 6,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.94 : 11,599.07 = 4,628.21 : x
  2. Step 2: Convert to fraction form
    8,404.94/11,599.07 = 4,628.21/x
  3. Step 3: Cross multiply
    8,404.94x = 11,599.07 × 4,628.21
  4. Step 4: Simplify right side
    8,404.94x = 53,682,850.63
  5. Step 5: Solve for x
    x = 53,682,850.63/8,404.94
  6. Step 6: Final answer
    x = 6,387.06

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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.