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Finding the Fourth Proportional to 33,693.40, 50,499.60 and 13,961.80

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Solution

The fourth proportional to 33,693.40, 50,499.60 and 13,961.80 is: 20,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,693.40 : 50,499.60 = 13,961.80 : x
  2. Step 2: Convert to fraction form
    33,693.40/50,499.60 = 13,961.80/x
  3. Step 3: Cross multiply
    33,693.40x = 50,499.60 × 13,961.80
  4. Step 4: Simplify right side
    33,693.40x = 705,065,315.28
  5. Step 5: Solve for x
    x = 705,065,315.28/33,693.40
  6. Step 6: Final answer
    x = 20,925.92

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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.