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Finding the Fourth Proportional to 73,725.48, 110,588.22 and 18,321.48

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Solution

The fourth proportional to 73,725.48, 110,588.22 and 18,321.48 is: 27,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,725.48 : 110,588.22 = 18,321.48 : x
  2. Step 2: Convert to fraction form
    73,725.48/110,588.22 = 18,321.48/x
  3. Step 3: Cross multiply
    73,725.48x = 110,588.22 × 18,321.48
  4. Step 4: Simplify right side
    73,725.48x = 2,026,139,860.97
  5. Step 5: Solve for x
    x = 2,026,139,860.97/73,725.48
  6. Step 6: Final answer
    x = 27,482.22

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1.5x scale

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.