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Finding the Fourth Proportional to 17,875.54, 24,648.06 and 12,213.64

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Solution

The fourth proportional to 17,875.54, 24,648.06 and 12,213.64 is: 16,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.54 : 24,648.06 = 12,213.64 : x
  2. Step 2: Convert to fraction form
    17,875.54/24,648.06 = 12,213.64/x
  3. Step 3: Cross multiply
    17,875.54x = 24,648.06 × 12,213.64
  4. Step 4: Simplify right side
    17,875.54x = 301,042,531.54
  5. Step 5: Solve for x
    x = 301,042,531.54/17,875.54
  6. Step 6: Final answer
    x = 16,841.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.