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Finding the Fourth Proportional to 61,337.92, 84,636.84 and 34,475.44

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Solution

The fourth proportional to 61,337.92, 84,636.84 and 34,475.44 is: 47,570.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,337.92 : 84,636.84 = 34,475.44 : x
  2. Step 2: Convert to fraction form
    61,337.92/84,636.84 = 34,475.44/x
  3. Step 3: Cross multiply
    61,337.92x = 84,636.84 × 34,475.44
  4. Step 4: Simplify right side
    61,337.92x = 2,917,892,299.21
  5. Step 5: Solve for x
    x = 2,917,892,299.21/61,337.92
  6. Step 6: Final answer
    x = 47,570.77

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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.