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Finding the Fourth Proportional to 61,668.25, 85,103.02 and 33,373.94

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Solution

The fourth proportional to 61,668.25, 85,103.02 and 33,373.94 is: 46,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.25 : 85,103.02 = 33,373.94 : x
  2. Step 2: Convert to fraction form
    61,668.25/85,103.02 = 33,373.94/x
  3. Step 3: Cross multiply
    61,668.25x = 85,103.02 × 33,373.94
  4. Step 4: Simplify right side
    61,668.25x = 2,840,223,083.30
  5. Step 5: Solve for x
    x = 2,840,223,083.30/61,668.25
  6. Step 6: Final answer
    x = 46,056.49

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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.