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Finding the Fourth Proportional to 8,550.34, 12,825.51 and 6,829.90

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Solution

The fourth proportional to 8,550.34, 12,825.51 and 6,829.90 is: 10,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.34 : 12,825.51 = 6,829.90 : x
  2. Step 2: Convert to fraction form
    8,550.34/12,825.51 = 6,829.90/x
  3. Step 3: Cross multiply
    8,550.34x = 12,825.51 × 6,829.90
  4. Step 4: Simplify right side
    8,550.34x = 87,596,950.75
  5. Step 5: Solve for x
    x = 87,596,950.75/8,550.34
  6. Step 6: Final answer
    x = 10,244.85

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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.