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Finding the Fourth Proportional to 8,682.65, 11,982.04 and 4,703.73

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Solution

The fourth proportional to 8,682.65, 11,982.04 and 4,703.73 is: 6,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.65 : 11,982.04 = 4,703.73 : x
  2. Step 2: Convert to fraction form
    8,682.65/11,982.04 = 4,703.73/x
  3. Step 3: Cross multiply
    8,682.65x = 11,982.04 × 4,703.73
  4. Step 4: Simplify right side
    8,682.65x = 56,360,281.01
  5. Step 5: Solve for x
    x = 56,360,281.01/8,682.65
  6. Step 6: Final answer
    x = 6,491.14

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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.