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Finding the Fourth Proportional to 18,752.44, 25,880.94 and 11,299

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Solution

The fourth proportional to 18,752.44, 25,880.94 and 11,299 is: 15,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.44 : 25,880.94 = 11,299 : x
  2. Step 2: Convert to fraction form
    18,752.44/25,880.94 = 11,299/x
  3. Step 3: Cross multiply
    18,752.44x = 25,880.94 × 11,299
  4. Step 4: Simplify right side
    18,752.44x = 292,428,741.06
  5. Step 5: Solve for x
    x = 292,428,741.06/18,752.44
  6. Step 6: Final answer
    x = 15,594.17

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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.