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Finding the Fourth Proportional to 61,722.62, 92,588.25 and 30,549.50

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Solution

The fourth proportional to 61,722.62, 92,588.25 and 30,549.50 is: 45,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,722.62 : 92,588.25 = 30,549.50 : x
  2. Step 2: Convert to fraction form
    61,722.62/92,588.25 = 30,549.50/x
  3. Step 3: Cross multiply
    61,722.62x = 92,588.25 × 30,549.50
  4. Step 4: Simplify right side
    61,722.62x = 2,828,524,743.38
  5. Step 5: Solve for x
    x = 2,828,524,743.38/61,722.62
  6. Step 6: Final answer
    x = 45,826.39

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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.