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Finding the Fourth Proportional to 61,586.34, 92,310.39 and 30,443.46

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Solution

The fourth proportional to 61,586.34, 92,310.39 and 30,443.46 is: 45,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,586.34 : 92,310.39 = 30,443.46 : x
  2. Step 2: Convert to fraction form
    61,586.34/92,310.39 = 30,443.46/x
  3. Step 3: Cross multiply
    61,586.34x = 92,310.39 × 30,443.46
  4. Step 4: Simplify right side
    61,586.34x = 2,810,247,665.55
  5. Step 5: Solve for x
    x = 2,810,247,665.55/61,586.34
  6. Step 6: Final answer
    x = 45,631.02

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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.