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Finding the Fourth Proportional to 38,575.40, 57,863.10 and 10,873.40

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Solution

The fourth proportional to 38,575.40, 57,863.10 and 10,873.40 is: 16,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.40 : 57,863.10 = 10,873.40 : x
  2. Step 2: Convert to fraction form
    38,575.40/57,863.10 = 10,873.40/x
  3. Step 3: Cross multiply
    38,575.40x = 57,863.10 × 10,873.40
  4. Step 4: Simplify right side
    38,575.40x = 629,168,631.54
  5. Step 5: Solve for x
    x = 629,168,631.54/38,575.40
  6. Step 6: Final answer
    x = 16,310.10

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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.