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Finding the Fourth Proportional to 8,448.22, 12,674.88 and 4,498.80

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Solution

The fourth proportional to 8,448.22, 12,674.88 and 4,498.80 is: 6,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.22 : 12,674.88 = 4,498.80 : x
  2. Step 2: Convert to fraction form
    8,448.22/12,674.88 = 4,498.80/x
  3. Step 3: Cross multiply
    8,448.22x = 12,674.88 × 4,498.80
  4. Step 4: Simplify right side
    8,448.22x = 57,021,750.14
  5. Step 5: Solve for x
    x = 57,021,750.14/8,448.22
  6. Step 6: Final answer
    x = 6,749.56

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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.