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Finding the Fourth Proportional to 6,472.61, 9,709.52 and 2,313.05

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Solution

The fourth proportional to 6,472.61, 9,709.52 and 2,313.05 is: 3,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.61 : 9,709.52 = 2,313.05 : x
  2. Step 2: Convert to fraction form
    6,472.61/9,709.52 = 2,313.05/x
  3. Step 3: Cross multiply
    6,472.61x = 9,709.52 × 2,313.05
  4. Step 4: Simplify right side
    6,472.61x = 22,458,605.24
  5. Step 5: Solve for x
    x = 22,458,605.24/6,472.61
  6. Step 6: Final answer
    x = 3,469.79

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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.