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Finding the Fourth Proportional to 61,963.02, 85,579.20 and 41,785.02

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Solution

The fourth proportional to 61,963.02, 85,579.20 and 41,785.02 is: 57,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.02 : 85,579.20 = 41,785.02 : x
  2. Step 2: Convert to fraction form
    61,963.02/85,579.20 = 41,785.02/x
  3. Step 3: Cross multiply
    61,963.02x = 85,579.20 × 41,785.02
  4. Step 4: Simplify right side
    61,963.02x = 3,575,928,583.58
  5. Step 5: Solve for x
    x = 3,575,928,583.58/61,963.02
  6. Step 6: Final answer
    x = 57,710.69

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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.