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Finding the Fourth Proportional to 19,174.60, 28,723.60 and 15,232.51

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Solution

The fourth proportional to 19,174.60, 28,723.60 and 15,232.51 is: 22,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.60 : 28,723.60 = 15,232.51 : x
  2. Step 2: Convert to fraction form
    19,174.60/28,723.60 = 15,232.51/x
  3. Step 3: Cross multiply
    19,174.60x = 28,723.60 × 15,232.51
  4. Step 4: Simplify right side
    19,174.60x = 437,532,524.24
  5. Step 5: Solve for x
    x = 437,532,524.24/19,174.60
  6. Step 6: Final answer
    x = 22,818.34

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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.