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Finding the Fourth Proportional to 52,873.56, 79,306.44 and 19,578.12

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Solution

The fourth proportional to 52,873.56, 79,306.44 and 19,578.12 is: 29,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873.56 : 79,306.44 = 19,578.12 : x
  2. Step 2: Convert to fraction form
    52,873.56/79,306.44 = 19,578.12/x
  3. Step 3: Cross multiply
    52,873.56x = 79,306.44 × 19,578.12
  4. Step 4: Simplify right side
    52,873.56x = 1,552,670,999.09
  5. Step 5: Solve for x
    x = 1,552,670,999.09/52,873.56
  6. Step 6: Final answer
    x = 29,365.74

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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.