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Finding the Fourth Proportional to 30,305.52, 45,469.44 and 12,773.52

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Solution

The fourth proportional to 30,305.52, 45,469.44 and 12,773.52 is: 19,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.52 : 45,469.44 = 12,773.52 : x
  2. Step 2: Convert to fraction form
    30,305.52/45,469.44 = 12,773.52/x
  3. Step 3: Cross multiply
    30,305.52x = 45,469.44 × 12,773.52
  4. Step 4: Simplify right side
    30,305.52x = 580,804,801.23
  5. Step 5: Solve for x
    x = 580,804,801.23/30,305.52
  6. Step 6: Final answer
    x = 19,164.98

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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.