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Finding the Fourth Proportional to 33,630.80, 46,410.80 and 18,523.98

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Solution

The fourth proportional to 33,630.80, 46,410.80 and 18,523.98 is: 25,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.80 : 46,410.80 = 18,523.98 : x
  2. Step 2: Convert to fraction form
    33,630.80/46,410.80 = 18,523.98/x
  3. Step 3: Cross multiply
    33,630.80x = 46,410.80 × 18,523.98
  4. Step 4: Simplify right side
    33,630.80x = 859,712,638.36
  5. Step 5: Solve for x
    x = 859,712,638.36/33,630.80
  6. Step 6: Final answer
    x = 25,563.26

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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.