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Finding the Fourth Proportional to 18,881.58, 26,046.99 and 12,583.02

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Solution

The fourth proportional to 18,881.58, 26,046.99 and 12,583.02 is: 17,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.58 : 26,046.99 = 12,583.02 : x
  2. Step 2: Convert to fraction form
    18,881.58/26,046.99 = 12,583.02/x
  3. Step 3: Cross multiply
    18,881.58x = 26,046.99 × 12,583.02
  4. Step 4: Simplify right side
    18,881.58x = 327,749,796.11
  5. Step 5: Solve for x
    x = 327,749,796.11/18,881.58
  6. Step 6: Final answer
    x = 17,358.18

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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.