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Finding the Fourth Proportional to 52,496.37, 78,738.80 and 18,755.19

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Solution

The fourth proportional to 52,496.37, 78,738.80 and 18,755.19 is: 28,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,496.37 : 78,738.80 = 18,755.19 : x
  2. Step 2: Convert to fraction form
    52,496.37/78,738.80 = 18,755.19/x
  3. Step 3: Cross multiply
    52,496.37x = 78,738.80 × 18,755.19
  4. Step 4: Simplify right side
    52,496.37x = 1,476,761,060.60
  5. Step 5: Solve for x
    x = 1,476,761,060.60/52,496.37
  6. Step 6: Final answer
    x = 28,130.73

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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.