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Finding the Fourth Proportional to 33,597.72, 50,359.68 and 13,865.58

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Solution

The fourth proportional to 33,597.72, 50,359.68 and 13,865.58 is: 20,783.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,597.72 : 50,359.68 = 13,865.58 : x
  2. Step 2: Convert to fraction form
    33,597.72/50,359.68 = 13,865.58/x
  3. Step 3: Cross multiply
    33,597.72x = 50,359.68 × 13,865.58
  4. Step 4: Simplify right side
    33,597.72x = 698,266,171.81
  5. Step 5: Solve for x
    x = 698,266,171.81/33,597.72
  6. Step 6: Final answer
    x = 20,783.14

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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.