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Finding the Fourth Proportional to 62,236.70, 85,873.74 and 39,567.38

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Solution

The fourth proportional to 62,236.70, 85,873.74 and 39,567.38 is: 54,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,236.70 : 85,873.74 = 39,567.38 : x
  2. Step 2: Convert to fraction form
    62,236.70/85,873.74 = 39,567.38/x
  3. Step 3: Cross multiply
    62,236.70x = 85,873.74 × 39,567.38
  4. Step 4: Simplify right side
    62,236.70x = 3,397,798,473.23
  5. Step 5: Solve for x
    x = 3,397,798,473.23/62,236.70
  6. Step 6: Final answer
    x = 54,594.78

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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.