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Finding the Fourth Proportional to 4,908.16, 6,779.16 and 3,579.76

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Solution

The fourth proportional to 4,908.16, 6,779.16 and 3,579.76 is: 4,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.16 : 6,779.16 = 3,579.76 : x
  2. Step 2: Convert to fraction form
    4,908.16/6,779.16 = 3,579.76/x
  3. Step 3: Cross multiply
    4,908.16x = 6,779.16 × 3,579.76
  4. Step 4: Simplify right side
    4,908.16x = 24,267,765.80
  5. Step 5: Solve for x
    x = 24,267,765.80/4,908.16
  6. Step 6: Final answer
    x = 4,944.37

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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.