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Finding the Fourth Proportional to 56,846.57, 85,269.80 and 19,403.54

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Solution

The fourth proportional to 56,846.57, 85,269.80 and 19,403.54 is: 29,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,846.57 : 85,269.80 = 19,403.54 : x
  2. Step 2: Convert to fraction form
    56,846.57/85,269.80 = 19,403.54/x
  3. Step 3: Cross multiply
    56,846.57x = 85,269.80 × 19,403.54
  4. Step 4: Simplify right side
    56,846.57x = 1,654,535,451.73
  5. Step 5: Solve for x
    x = 1,654,535,451.73/56,846.57
  6. Step 6: Final answer
    x = 29,105.28

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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.