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Finding the Fourth Proportional to 36,548.70, 50,437.20 and 19,781.70

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Solution

The fourth proportional to 36,548.70, 50,437.20 and 19,781.70 is: 27,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,548.70 : 50,437.20 = 19,781.70 : x
  2. Step 2: Convert to fraction form
    36,548.70/50,437.20 = 19,781.70/x
  3. Step 3: Cross multiply
    36,548.70x = 50,437.20 × 19,781.70
  4. Step 4: Simplify right side
    36,548.70x = 997,733,559.24
  5. Step 5: Solve for x
    x = 997,733,559.24/36,548.70
  6. Step 6: Final answer
    x = 27,298.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.