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Finding the Fourth Proportional to 69,416.78, 104,124.83 and 16,826.27

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Solution

The fourth proportional to 69,416.78, 104,124.83 and 16,826.27 is: 25,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,416.78 : 104,124.83 = 16,826.27 : x
  2. Step 2: Convert to fraction form
    69,416.78/104,124.83 = 16,826.27/x
  3. Step 3: Cross multiply
    69,416.78x = 104,124.83 × 16,826.27
  4. Step 4: Simplify right side
    69,416.78x = 1,752,032,242.97
  5. Step 5: Solve for x
    x = 1,752,032,242.97/69,416.78
  6. Step 6: Final answer
    x = 25,239.32

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1.5x scale

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.