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Finding the Fourth Proportional to 53,608.59, 73,983.78 and 29,739.78

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Solution

The fourth proportional to 53,608.59, 73,983.78 and 29,739.78 is: 41,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,608.59 : 73,983.78 = 29,739.78 : x
  2. Step 2: Convert to fraction form
    53,608.59/73,983.78 = 29,739.78/x
  3. Step 3: Cross multiply
    53,608.59x = 73,983.78 × 29,739.78
  4. Step 4: Simplify right side
    53,608.59x = 2,200,261,340.77
  5. Step 5: Solve for x
    x = 2,200,261,340.77/53,608.59
  6. Step 6: Final answer
    x = 41,043.07

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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.