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Finding the Fourth Proportional to 55,368.44, 83,064.78 and 17,932.30

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Solution

The fourth proportional to 55,368.44, 83,064.78 and 17,932.30 is: 26,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368.44 : 83,064.78 = 17,932.30 : x
  2. Step 2: Convert to fraction form
    55,368.44/83,064.78 = 17,932.30/x
  3. Step 3: Cross multiply
    55,368.44x = 83,064.78 × 17,932.30
  4. Step 4: Simplify right side
    55,368.44x = 1,489,542,257.07
  5. Step 5: Solve for x
    x = 1,489,542,257.07/55,368.44
  6. Step 6: Final answer
    x = 26,902.37

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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.