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Finding the Fourth Proportional to 52,459.44, 78,687.72 and 15,523.44

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Solution

The fourth proportional to 52,459.44, 78,687.72 and 15,523.44 is: 23,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,459.44 : 78,687.72 = 15,523.44 : x
  2. Step 2: Convert to fraction form
    52,459.44/78,687.72 = 15,523.44/x
  3. Step 3: Cross multiply
    52,459.44x = 78,687.72 × 15,523.44
  4. Step 4: Simplify right side
    52,459.44x = 1,221,504,100.16
  5. Step 5: Solve for x
    x = 1,221,504,100.16/52,459.44
  6. Step 6: Final answer
    x = 23,284.73

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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.