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Finding the Fourth Proportional to 33,477.80, 50,216.70 and 13,746.20

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Solution

The fourth proportional to 33,477.80, 50,216.70 and 13,746.20 is: 20,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,477.80 : 50,216.70 = 13,746.20 : x
  2. Step 2: Convert to fraction form
    33,477.80/50,216.70 = 13,746.20/x
  3. Step 3: Cross multiply
    33,477.80x = 50,216.70 × 13,746.20
  4. Step 4: Simplify right side
    33,477.80x = 690,288,801.54
  5. Step 5: Solve for x
    x = 690,288,801.54/33,477.80
  6. Step 6: Final answer
    x = 20,619.30

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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.