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Finding the Fourth Proportional to 56,576.44, 84,861.42 and 19,123.84

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Solution

The fourth proportional to 56,576.44, 84,861.42 and 19,123.84 is: 28,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,576.44 : 84,861.42 = 19,123.84 : x
  2. Step 2: Convert to fraction form
    56,576.44/84,861.42 = 19,123.84/x
  3. Step 3: Cross multiply
    56,576.44x = 84,861.42 × 19,123.84
  4. Step 4: Simplify right side
    56,576.44x = 1,622,876,218.25
  5. Step 5: Solve for x
    x = 1,622,876,218.25/56,576.44
  6. Step 6: Final answer
    x = 28,684.66

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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.