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Finding the Fourth Proportional to 8,334.99, 12,485.48 and 5,404.41

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Solution

The fourth proportional to 8,334.99, 12,485.48 and 5,404.41 is: 8,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.99 : 12,485.48 = 5,404.41 : x
  2. Step 2: Convert to fraction form
    8,334.99/12,485.48 = 5,404.41/x
  3. Step 3: Cross multiply
    8,334.99x = 12,485.48 × 5,404.41
  4. Step 4: Simplify right side
    8,334.99x = 67,476,625.94
  5. Step 5: Solve for x
    x = 67,476,625.94/8,334.99
  6. Step 6: Final answer
    x = 8,095.59

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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.