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Finding the Fourth Proportional to 17,449.28, 26,148 and 7,055.36

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Solution

The fourth proportional to 17,449.28, 26,148 and 7,055.36 is: 10,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,449.28 : 26,148 = 7,055.36 : x
  2. Step 2: Convert to fraction form
    17,449.28/26,148 = 7,055.36/x
  3. Step 3: Cross multiply
    17,449.28x = 26,148 × 7,055.36
  4. Step 4: Simplify right side
    17,449.28x = 184,483,553.28
  5. Step 5: Solve for x
    x = 184,483,553.28/17,449.28
  6. Step 6: Final answer
    x = 10,572.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.