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Finding the Fourth Proportional to 32,578.69, 44,958.29 and 18,431.54

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Solution

The fourth proportional to 32,578.69, 44,958.29 and 18,431.54 is: 25,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.69 : 44,958.29 = 18,431.54 : x
  2. Step 2: Convert to fraction form
    32,578.69/44,958.29 = 18,431.54/x
  3. Step 3: Cross multiply
    32,578.69x = 44,958.29 × 18,431.54
  4. Step 4: Simplify right side
    32,578.69x = 828,650,203.52
  5. Step 5: Solve for x
    x = 828,650,203.52/32,578.69
  6. Step 6: Final answer
    x = 25,435.34

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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.