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Finding the Fourth Proportional to 61,601.91, 85,011.08 and 34,744.94

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Solution

The fourth proportional to 61,601.91, 85,011.08 and 34,744.94 is: 47,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.91 : 85,011.08 = 34,744.94 : x
  2. Step 2: Convert to fraction form
    61,601.91/85,011.08 = 34,744.94/x
  3. Step 3: Cross multiply
    61,601.91x = 85,011.08 × 34,744.94
  4. Step 4: Simplify right side
    61,601.91x = 2,953,704,873.94
  5. Step 5: Solve for x
    x = 2,953,704,873.94/61,601.91
  6. Step 6: Final answer
    x = 47,948.27

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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.