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Finding the Fourth Proportional to 48,594.78, 72,863.28 and 18,977.94

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Solution

The fourth proportional to 48,594.78, 72,863.28 and 18,977.94 is: 28,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,594.78 : 72,863.28 = 18,977.94 : x
  2. Step 2: Convert to fraction form
    48,594.78/72,863.28 = 18,977.94/x
  3. Step 3: Cross multiply
    48,594.78x = 72,863.28 × 18,977.94
  4. Step 4: Simplify right side
    48,594.78x = 1,382,794,956.04
  5. Step 5: Solve for x
    x = 1,382,794,956.04/48,594.78
  6. Step 6: Final answer
    x = 28,455.63

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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.