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Finding the Fourth Proportional to 8,519.04, 11,753.91 and 5,492.88

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Solution

The fourth proportional to 8,519.04, 11,753.91 and 5,492.88 is: 7,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.04 : 11,753.91 = 5,492.88 : x
  2. Step 2: Convert to fraction form
    8,519.04/11,753.91 = 5,492.88/x
  3. Step 3: Cross multiply
    8,519.04x = 11,753.91 × 5,492.88
  4. Step 4: Simplify right side
    8,519.04x = 64,562,817.16
  5. Step 5: Solve for x
    x = 64,562,817.16/8,519.04
  6. Step 6: Final answer
    x = 7,578.65

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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.