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Finding the Fourth Proportional to 4,671.69, 6,446.90 and 2,575.82

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Solution

The fourth proportional to 4,671.69, 6,446.90 and 2,575.82 is: 3,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.69 : 6,446.90 = 2,575.82 : x
  2. Step 2: Convert to fraction form
    4,671.69/6,446.90 = 2,575.82/x
  3. Step 3: Cross multiply
    4,671.69x = 6,446.90 × 2,575.82
  4. Step 4: Simplify right side
    4,671.69x = 16,606,015.28
  5. Step 5: Solve for x
    x = 16,606,015.28/4,671.69
  6. Step 6: Final answer
    x = 3,554.61

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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.