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Finding the Fourth Proportional to 57,383.44, 86,080.12 and 15,830.44

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Solution

The fourth proportional to 57,383.44, 86,080.12 and 15,830.44 is: 23,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.44 : 86,080.12 = 15,830.44 : x
  2. Step 2: Convert to fraction form
    57,383.44/86,080.12 = 15,830.44/x
  3. Step 3: Cross multiply
    57,383.44x = 86,080.12 × 15,830.44
  4. Step 4: Simplify right side
    57,383.44x = 1,362,685,920.08
  5. Step 5: Solve for x
    x = 1,362,685,920.08/57,383.44
  6. Step 6: Final answer
    x = 23,747.02

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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.