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Finding the Fourth Proportional to 72,028.98, 108,035.38 and 27,624.58

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Solution

The fourth proportional to 72,028.98, 108,035.38 and 27,624.58 is: 41,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,028.98 : 108,035.38 = 27,624.58 : x
  2. Step 2: Convert to fraction form
    72,028.98/108,035.38 = 27,624.58/x
  3. Step 3: Cross multiply
    72,028.98x = 108,035.38 × 27,624.58
  4. Step 4: Simplify right side
    72,028.98x = 2,984,431,319.34
  5. Step 5: Solve for x
    x = 2,984,431,319.34/72,028.98
  6. Step 6: Final answer
    x = 41,433.76

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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.