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Finding the Fourth Proportional to 4,561.92, 6,841.53 and 1,964.25

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Solution

The fourth proportional to 4,561.92, 6,841.53 and 1,964.25 is: 2,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.92 : 6,841.53 = 1,964.25 : x
  2. Step 2: Convert to fraction form
    4,561.92/6,841.53 = 1,964.25/x
  3. Step 3: Cross multiply
    4,561.92x = 6,841.53 × 1,964.25
  4. Step 4: Simplify right side
    4,561.92x = 13,438,475.30
  5. Step 5: Solve for x
    x = 13,438,475.30/4,561.92
  6. Step 6: Final answer
    x = 2,945.79

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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.