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Finding the Fourth Proportional to 41,472.36, 62,230.52 and 19,274.40

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Solution

The fourth proportional to 41,472.36, 62,230.52 and 19,274.40 is: 28,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,472.36 : 62,230.52 = 19,274.40 : x
  2. Step 2: Convert to fraction form
    41,472.36/62,230.52 = 19,274.40/x
  3. Step 3: Cross multiply
    41,472.36x = 62,230.52 × 19,274.40
  4. Step 4: Simplify right side
    41,472.36x = 1,199,455,934.69
  5. Step 5: Solve for x
    x = 1,199,455,934.69/41,472.36
  6. Step 6: Final answer
    x = 28,921.82

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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.