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Finding the Fourth Proportional to 17,808.66, 26,714.48 and 5,327.78

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Solution

The fourth proportional to 17,808.66, 26,714.48 and 5,327.78 is: 7,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.66 : 26,714.48 = 5,327.78 : x
  2. Step 2: Convert to fraction form
    17,808.66/26,714.48 = 5,327.78/x
  3. Step 3: Cross multiply
    17,808.66x = 26,714.48 × 5,327.78
  4. Step 4: Simplify right side
    17,808.66x = 142,328,712.04
  5. Step 5: Solve for x
    x = 142,328,712.04/17,808.66
  6. Step 6: Final answer
    x = 7,992.11

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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.