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Finding the Fourth Proportional to 61,600.91, 85,009.70 and 34,743.94

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Solution

The fourth proportional to 61,600.91, 85,009.70 and 34,743.94 is: 47,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,600.91 : 85,009.70 = 34,743.94 : x
  2. Step 2: Convert to fraction form
    61,600.91/85,009.70 = 34,743.94/x
  3. Step 3: Cross multiply
    61,600.91x = 85,009.70 × 34,743.94
  4. Step 4: Simplify right side
    61,600.91x = 2,953,571,790.55
  5. Step 5: Solve for x
    x = 2,953,571,790.55/61,600.91
  6. Step 6: Final answer
    x = 47,946.89

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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.