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Finding the Fourth Proportional to 4,866.89, 6,709.31 and 3,467.21

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Solution

The fourth proportional to 4,866.89, 6,709.31 and 3,467.21 is: 4,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.89 : 6,709.31 = 3,467.21 : x
  2. Step 2: Convert to fraction form
    4,866.89/6,709.31 = 3,467.21/x
  3. Step 3: Cross multiply
    4,866.89x = 6,709.31 × 3,467.21
  4. Step 4: Simplify right side
    4,866.89x = 23,262,535.84
  5. Step 5: Solve for x
    x = 23,262,535.84/4,866.89
  6. Step 6: Final answer
    x = 4,779.76

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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.