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Finding the Fourth Proportional to 62,754, 86,608.20 and 36,258

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Solution

The fourth proportional to 62,754, 86,608.20 and 36,258 is: 50,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,754 : 86,608.20 = 36,258 : x
  2. Step 2: Convert to fraction form
    62,754/86,608.20 = 36,258/x
  3. Step 3: Cross multiply
    62,754x = 86,608.20 × 36,258
  4. Step 4: Simplify right side
    62,754x = 3,140,240,115.60
  5. Step 5: Solve for x
    x = 3,140,240,115.60/62,754
  6. Step 6: Final answer
    x = 50,040.48

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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.