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Finding the Fourth Proportional to 8,581.04, 11,841.90 and 4,855.04

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Solution

The fourth proportional to 8,581.04, 11,841.90 and 4,855.04 is: 6,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.04 : 11,841.90 = 4,855.04 : x
  2. Step 2: Convert to fraction form
    8,581.04/11,841.90 = 4,855.04/x
  3. Step 3: Cross multiply
    8,581.04x = 11,841.90 × 4,855.04
  4. Step 4: Simplify right side
    8,581.04x = 57,492,898.18
  5. Step 5: Solve for x
    x = 57,492,898.18/8,581.04
  6. Step 6: Final answer
    x = 6,699.99

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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.