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Finding the Fourth Proportional to 62,465.64, 86,202.59 and 33,785.31

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Solution

The fourth proportional to 62,465.64, 86,202.59 and 33,785.31 is: 46,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,465.64 : 86,202.59 = 33,785.31 : x
  2. Step 2: Convert to fraction form
    62,465.64/86,202.59 = 33,785.31/x
  3. Step 3: Cross multiply
    62,465.64x = 86,202.59 × 33,785.31
  4. Step 4: Simplify right side
    62,465.64x = 2,912,381,225.95
  5. Step 5: Solve for x
    x = 2,912,381,225.95/62,465.64
  6. Step 6: Final answer
    x = 46,623.73

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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.