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Finding the Fourth Proportional to 8,952.99, 12,351.15 and 5,965.91

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Solution

The fourth proportional to 8,952.99, 12,351.15 and 5,965.91 is: 8,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.99 : 12,351.15 = 5,965.91 : x
  2. Step 2: Convert to fraction form
    8,952.99/12,351.15 = 5,965.91/x
  3. Step 3: Cross multiply
    8,952.99x = 12,351.15 × 5,965.91
  4. Step 4: Simplify right side
    8,952.99x = 73,685,819.47
  5. Step 5: Solve for x
    x = 73,685,819.47/8,952.99
  6. Step 6: Final answer
    x = 8,230.31

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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.