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Finding the Fourth Proportional to 46,893.78, 64,711.17 and 25,672.50

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Solution

The fourth proportional to 46,893.78, 64,711.17 and 25,672.50 is: 35,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,893.78 : 64,711.17 = 25,672.50 : x
  2. Step 2: Convert to fraction form
    46,893.78/64,711.17 = 25,672.50/x
  3. Step 3: Cross multiply
    46,893.78x = 64,711.17 × 25,672.50
  4. Step 4: Simplify right side
    46,893.78x = 1,661,297,511.83
  5. Step 5: Solve for x
    x = 1,661,297,511.83/46,893.78
  6. Step 6: Final answer
    x = 35,426.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.