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Finding the Fourth Proportional to 56,537.81, 84,845.60 and 19,601.81

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Solution

The fourth proportional to 56,537.81, 84,845.60 and 19,601.81 is: 29,416.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,537.81 : 84,845.60 = 19,601.81 : x
  2. Step 2: Convert to fraction form
    56,537.81/84,845.60 = 19,601.81/x
  3. Step 3: Cross multiply
    56,537.81x = 84,845.60 × 19,601.81
  4. Step 4: Simplify right side
    56,537.81x = 1,663,127,591.65
  5. Step 5: Solve for x
    x = 1,663,127,591.65/56,537.81
  6. Step 6: Final answer
    x = 29,416.20

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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.