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Finding the Fourth Proportional to 52,755.70, 79,134.39 and 17,216.88

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Solution

The fourth proportional to 52,755.70, 79,134.39 and 17,216.88 is: 25,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.70 : 79,134.39 = 17,216.88 : x
  2. Step 2: Convert to fraction form
    52,755.70/79,134.39 = 17,216.88/x
  3. Step 3: Cross multiply
    52,755.70x = 79,134.39 × 17,216.88
  4. Step 4: Simplify right side
    52,755.70x = 1,362,447,296.50
  5. Step 5: Solve for x
    x = 1,362,447,296.50/52,755.70
  6. Step 6: Final answer
    x = 25,825.60

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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.