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Finding the Fourth Proportional to 74,651.13, 111,992.49 and 24,728.40

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Solution

The fourth proportional to 74,651.13, 111,992.49 and 24,728.40 is: 37,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,651.13 : 111,992.49 = 24,728.40 : x
  2. Step 2: Convert to fraction form
    74,651.13/111,992.49 = 24,728.40/x
  3. Step 3: Cross multiply
    74,651.13x = 111,992.49 × 24,728.40
  4. Step 4: Simplify right side
    74,651.13x = 2,769,395,089.72
  5. Step 5: Solve for x
    x = 2,769,395,089.72/74,651.13
  6. Step 6: Final answer
    x = 37,097.83

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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.