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Finding the Fourth Proportional to 53,321.04, 73,584.72 and 29,448.48

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Solution

The fourth proportional to 53,321.04, 73,584.72 and 29,448.48 is: 40,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,321.04 : 73,584.72 = 29,448.48 : x
  2. Step 2: Convert to fraction form
    53,321.04/73,584.72 = 29,448.48/x
  3. Step 3: Cross multiply
    53,321.04x = 73,584.72 × 29,448.48
  4. Step 4: Simplify right side
    53,321.04x = 2,166,958,155.23
  5. Step 5: Solve for x
    x = 2,166,958,155.23/53,321.04
  6. Step 6: Final answer
    x = 40,639.83

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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.