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Finding the Fourth Proportional to 33,389.50, 46,079.03 and 18,485.50

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Solution

The fourth proportional to 33,389.50, 46,079.03 and 18,485.50 is: 25,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,389.50 : 46,079.03 = 18,485.50 : x
  2. Step 2: Convert to fraction form
    33,389.50/46,079.03 = 18,485.50/x
  3. Step 3: Cross multiply
    33,389.50x = 46,079.03 × 18,485.50
  4. Step 4: Simplify right side
    33,389.50x = 851,793,909.07
  5. Step 5: Solve for x
    x = 851,793,909.07/33,389.50
  6. Step 6: Final answer
    x = 25,510.83

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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.