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Finding the Fourth Proportional to 61,586.66, 84,983.23 and 45,462.54

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Solution

The fourth proportional to 61,586.66, 84,983.23 and 45,462.54 is: 62,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,586.66 : 84,983.23 = 45,462.54 : x
  2. Step 2: Convert to fraction form
    61,586.66/84,983.23 = 45,462.54/x
  3. Step 3: Cross multiply
    61,586.66x = 84,983.23 × 45,462.54
  4. Step 4: Simplify right side
    61,586.66x = 3,863,553,379.55
  5. Step 5: Solve for x
    x = 3,863,553,379.55/61,586.66
  6. Step 6: Final answer
    x = 62,733.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.