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Finding the Fourth Proportional to 18,451.66, 25,463.39 and 10,068.34

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Solution

The fourth proportional to 18,451.66, 25,463.39 and 10,068.34 is: 13,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.66 : 25,463.39 = 10,068.34 : x
  2. Step 2: Convert to fraction form
    18,451.66/25,463.39 = 10,068.34/x
  3. Step 3: Cross multiply
    18,451.66x = 25,463.39 × 10,068.34
  4. Step 4: Simplify right side
    18,451.66x = 256,374,068.07
  5. Step 5: Solve for x
    x = 256,374,068.07/18,451.66
  6. Step 6: Final answer
    x = 13,894.36

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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.