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Finding the Fourth Proportional to 49,464, 74,176.56 and 18,277.92

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Solution

The fourth proportional to 49,464, 74,176.56 and 18,277.92 is: 27,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,464 : 74,176.56 = 18,277.92 : x
  2. Step 2: Convert to fraction form
    49,464/74,176.56 = 18,277.92/x
  3. Step 3: Cross multiply
    49,464x = 74,176.56 × 18,277.92
  4. Step 4: Simplify right side
    49,464x = 1,355,793,229.56
  5. Step 5: Solve for x
    x = 1,355,793,229.56/49,464
  6. Step 6: Final answer
    x = 27,409.70

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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.