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Finding the Fourth Proportional to 61,865.02, 85,372.54 and 35,007.04

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Solution

The fourth proportional to 61,865.02, 85,372.54 and 35,007.04 is: 48,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,865.02 : 85,372.54 = 35,007.04 : x
  2. Step 2: Convert to fraction form
    61,865.02/85,372.54 = 35,007.04/x
  3. Step 3: Cross multiply
    61,865.02x = 85,372.54 × 35,007.04
  4. Step 4: Simplify right side
    61,865.02x = 2,988,639,922.68
  5. Step 5: Solve for x
    x = 2,988,639,922.68/61,865.02
  6. Step 6: Final answer
    x = 48,309.04

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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.