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Finding the Fourth Proportional to 33,913.99, 46,801.21 and 18,806.77

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Solution

The fourth proportional to 33,913.99, 46,801.21 and 18,806.77 is: 25,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,913.99 : 46,801.21 = 18,806.77 : x
  2. Step 2: Convert to fraction form
    33,913.99/46,801.21 = 18,806.77/x
  3. Step 3: Cross multiply
    33,913.99x = 46,801.21 × 18,806.77
  4. Step 4: Simplify right side
    33,913.99x = 880,179,264.15
  5. Step 5: Solve for x
    x = 880,179,264.15/33,913.99
  6. Step 6: Final answer
    x = 25,953.28

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1.5x scale

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.