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Finding the Fourth Proportional to 53,361.97, 73,639.55 and 29,488.64

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Solution

The fourth proportional to 53,361.97, 73,639.55 and 29,488.64 is: 40,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,361.97 : 73,639.55 = 29,488.64 : x
  2. Step 2: Convert to fraction form
    53,361.97/73,639.55 = 29,488.64/x
  3. Step 3: Cross multiply
    53,361.97x = 73,639.55 × 29,488.64
  4. Step 4: Simplify right side
    53,361.97x = 2,171,530,179.71
  5. Step 5: Solve for x
    x = 2,171,530,179.71/53,361.97
  6. Step 6: Final answer
    x = 40,694.34

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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.