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Finding the Fourth Proportional to 4,610.04, 6,910.91 and 1,687.67

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Solution

The fourth proportional to 4,610.04, 6,910.91 and 1,687.67 is: 2,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.04 : 6,910.91 = 1,687.67 : x
  2. Step 2: Convert to fraction form
    4,610.04/6,910.91 = 1,687.67/x
  3. Step 3: Cross multiply
    4,610.04x = 6,910.91 × 1,687.67
  4. Step 4: Simplify right side
    4,610.04x = 11,663,335.48
  5. Step 5: Solve for x
    x = 11,663,335.48/4,610.04
  6. Step 6: Final answer
    x = 2,529.99

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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.