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Finding the Fourth Proportional to 43,258.54, 64,936.42 and 33,515.32

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Solution

The fourth proportional to 43,258.54, 64,936.42 and 33,515.32 is: 50,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,258.54 : 64,936.42 = 33,515.32 : x
  2. Step 2: Convert to fraction form
    43,258.54/64,936.42 = 33,515.32/x
  3. Step 3: Cross multiply
    43,258.54x = 64,936.42 × 33,515.32
  4. Step 4: Simplify right side
    43,258.54x = 2,176,364,895.95
  5. Step 5: Solve for x
    x = 2,176,364,895.95/43,258.54
  6. Step 6: Final answer
    x = 50,310.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.