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Finding the Fourth Proportional to 52,855.98, 79,283.97 and 15,919.98

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Solution

The fourth proportional to 52,855.98, 79,283.97 and 15,919.98 is: 23,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.98 : 79,283.97 = 15,919.98 : x
  2. Step 2: Convert to fraction form
    52,855.98/79,283.97 = 15,919.98/x
  3. Step 3: Cross multiply
    52,855.98x = 79,283.97 × 15,919.98
  4. Step 4: Simplify right side
    52,855.98x = 1,262,199,216.72
  5. Step 5: Solve for x
    x = 1,262,199,216.72/52,855.98
  6. Step 6: Final answer
    x = 23,879.97

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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.