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Finding the Fourth Proportional to 61,353.12, 84,662.46 and 34,490.52

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Solution

The fourth proportional to 61,353.12, 84,662.46 and 34,490.52 is: 47,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,353.12 : 84,662.46 = 34,490.52 : x
  2. Step 2: Convert to fraction form
    61,353.12/84,662.46 = 34,490.52/x
  3. Step 3: Cross multiply
    61,353.12x = 84,662.46 × 34,490.52
  4. Step 4: Simplify right side
    61,353.12x = 2,920,052,269.88
  5. Step 5: Solve for x
    x = 2,920,052,269.88/61,353.12
  6. Step 6: Final answer
    x = 47,594.19

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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.