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Finding the Fourth Proportional to 6,267.79, 8,649.65 and 3,435.44

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Solution

The fourth proportional to 6,267.79, 8,649.65 and 3,435.44 is: 4,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.79 : 8,649.65 = 3,435.44 : x
  2. Step 2: Convert to fraction form
    6,267.79/8,649.65 = 3,435.44/x
  3. Step 3: Cross multiply
    6,267.79x = 8,649.65 × 3,435.44
  4. Step 4: Simplify right side
    6,267.79x = 29,715,318.94
  5. Step 5: Solve for x
    x = 29,715,318.94/6,267.79
  6. Step 6: Final answer
    x = 4,740.96

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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.