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Finding the Fourth Proportional to 61,956.48, 85,500.72 and 33,662.64

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Solution

The fourth proportional to 61,956.48, 85,500.72 and 33,662.64 is: 46,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,956.48 : 85,500.72 = 33,662.64 : x
  2. Step 2: Convert to fraction form
    61,956.48/85,500.72 = 33,662.64/x
  3. Step 3: Cross multiply
    61,956.48x = 85,500.72 × 33,662.64
  4. Step 4: Simplify right side
    61,956.48x = 2,878,179,957.10
  5. Step 5: Solve for x
    x = 2,878,179,957.10/61,956.48
  6. Step 6: Final answer
    x = 46,454.87

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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.