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Finding the Fourth Proportional to 21,674.66, 32,484.78 and 11,654.82

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Solution

The fourth proportional to 21,674.66, 32,484.78 and 11,654.82 is: 17,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.66 : 32,484.78 = 11,654.82 : x
  2. Step 2: Convert to fraction form
    21,674.66/32,484.78 = 11,654.82/x
  3. Step 3: Cross multiply
    21,674.66x = 32,484.78 × 11,654.82
  4. Step 4: Simplify right side
    21,674.66x = 378,604,263.64
  5. Step 5: Solve for x
    x = 378,604,263.64/21,674.66
  6. Step 6: Final answer
    x = 17,467.60

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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.