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Finding the Fourth Proportional to 33,884.50, 46,760.61 and 18,980.50

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Solution

The fourth proportional to 33,884.50, 46,760.61 and 18,980.50 is: 26,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,884.50 : 46,760.61 = 18,980.50 : x
  2. Step 2: Convert to fraction form
    33,884.50/46,760.61 = 18,980.50/x
  3. Step 3: Cross multiply
    33,884.50x = 46,760.61 × 18,980.50
  4. Step 4: Simplify right side
    33,884.50x = 887,539,758.11
  5. Step 5: Solve for x
    x = 887,539,758.11/33,884.50
  6. Step 6: Final answer
    x = 26,193.09

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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.