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Finding the Fourth Proportional to 53,441.97, 73,751.88 and 34,579.09

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Solution

The fourth proportional to 53,441.97, 73,751.88 and 34,579.09 is: 47,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,441.97 : 73,751.88 = 34,579.09 : x
  2. Step 2: Convert to fraction form
    53,441.97/73,751.88 = 34,579.09/x
  3. Step 3: Cross multiply
    53,441.97x = 73,751.88 × 34,579.09
  4. Step 4: Simplify right side
    53,441.97x = 2,550,272,896.19
  5. Step 5: Solve for x
    x = 2,550,272,896.19/53,441.97
  6. Step 6: Final answer
    x = 47,720.41

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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.