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Finding the Fourth Proportional to 8,392.84, 12,581.06 and 3,714.03

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Solution

The fourth proportional to 8,392.84, 12,581.06 and 3,714.03 is: 5,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.84 : 12,581.06 = 3,714.03 : x
  2. Step 2: Convert to fraction form
    8,392.84/12,581.06 = 3,714.03/x
  3. Step 3: Cross multiply
    8,392.84x = 12,581.06 × 3,714.03
  4. Step 4: Simplify right side
    8,392.84x = 46,726,395.99
  5. Step 5: Solve for x
    x = 46,726,395.99/8,392.84
  6. Step 6: Final answer
    x = 5,567.41

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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.