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Finding the Fourth Proportional to 8,523.99, 12,749.00 and 5,005.62

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Solution

The fourth proportional to 8,523.99, 12,749.00 and 5,005.62 is: 7,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.99 : 12,749.00 = 5,005.62 : x
  2. Step 2: Convert to fraction form
    8,523.99/12,749.00 = 5,005.62/x
  3. Step 3: Cross multiply
    8,523.99x = 12,749.00 × 5,005.62
  4. Step 4: Simplify right side
    8,523.99x = 63,816,624.35
  5. Step 5: Solve for x
    x = 63,816,624.35/8,523.99
  6. Step 6: Final answer
    x = 7,486.71

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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.