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Finding the Fourth Proportional to 61,934.32, 85,469.38 and 33,640.01

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Solution

The fourth proportional to 61,934.32, 85,469.38 and 33,640.01 is: 46,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,934.32 : 85,469.38 = 33,640.01 : x
  2. Step 2: Convert to fraction form
    61,934.32/85,469.38 = 33,640.01/x
  3. Step 3: Cross multiply
    61,934.32x = 85,469.38 × 33,640.01
  4. Step 4: Simplify right side
    61,934.32x = 2,875,190,606.96
  5. Step 5: Solve for x
    x = 2,875,190,606.96/61,934.32
  6. Step 6: Final answer
    x = 46,423.22

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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.