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Finding the Fourth Proportional to 62,286.48, 85,957.72 and 35,431.48

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Solution

The fourth proportional to 62,286.48, 85,957.72 and 35,431.48 is: 48,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,286.48 : 85,957.72 = 35,431.48 : x
  2. Step 2: Convert to fraction form
    62,286.48/85,957.72 = 35,431.48/x
  3. Step 3: Cross multiply
    62,286.48x = 85,957.72 × 35,431.48
  4. Step 4: Simplify right side
    62,286.48x = 3,045,609,237.03
  5. Step 5: Solve for x
    x = 3,045,609,237.03/62,286.48
  6. Step 6: Final answer
    x = 48,896.79

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1.5x scale

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.