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Finding the Fourth Proportional to 52,965.36, 79,448.04 and 25,179.12

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Solution

The fourth proportional to 52,965.36, 79,448.04 and 25,179.12 is: 37,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,965.36 : 79,448.04 = 25,179.12 : x
  2. Step 2: Convert to fraction form
    52,965.36/79,448.04 = 25,179.12/x
  3. Step 3: Cross multiply
    52,965.36x = 79,448.04 × 25,179.12
  4. Step 4: Simplify right side
    52,965.36x = 2,000,431,732.92
  5. Step 5: Solve for x
    x = 2,000,431,732.92/52,965.36
  6. Step 6: Final answer
    x = 37,768.68

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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.