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Finding the Fourth Proportional to 55,475.38, 83,213.16 and 13,922.38

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Solution

The fourth proportional to 55,475.38, 83,213.16 and 13,922.38 is: 20,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.38 : 83,213.16 = 13,922.38 : x
  2. Step 2: Convert to fraction form
    55,475.38/83,213.16 = 13,922.38/x
  3. Step 3: Cross multiply
    55,475.38x = 83,213.16 × 13,922.38
  4. Step 4: Simplify right side
    55,475.38x = 1,158,525,234.52
  5. Step 5: Solve for x
    x = 1,158,525,234.52/55,475.38
  6. Step 6: Final answer
    x = 20,883.59

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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.