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Finding the Fourth Proportional to 17,954.19, 26,921.03 and 5,470.52

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Solution

The fourth proportional to 17,954.19, 26,921.03 and 5,470.52 is: 8,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.19 : 26,921.03 = 5,470.52 : x
  2. Step 2: Convert to fraction form
    17,954.19/26,921.03 = 5,470.52/x
  3. Step 3: Cross multiply
    17,954.19x = 26,921.03 × 5,470.52
  4. Step 4: Simplify right side
    17,954.19x = 147,271,871.08
  5. Step 5: Solve for x
    x = 147,271,871.08/17,954.19
  6. Step 6: Final answer
    x = 8,202.65

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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.