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Finding the Fourth Proportional to 18,788.03, 25,928.19 and 10,723

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Solution

The fourth proportional to 18,788.03, 25,928.19 and 10,723 is: 14,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.03 : 25,928.19 = 10,723 : x
  2. Step 2: Convert to fraction form
    18,788.03/25,928.19 = 10,723/x
  3. Step 3: Cross multiply
    18,788.03x = 25,928.19 × 10,723
  4. Step 4: Simplify right side
    18,788.03x = 278,027,981.37
  5. Step 5: Solve for x
    x = 278,027,981.37/18,788.03
  6. Step 6: Final answer
    x = 14,798.14

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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.