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Finding the Fourth Proportional to 38,563.48, 57,840.10 and 10,863.64

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Solution

The fourth proportional to 38,563.48, 57,840.10 and 10,863.64 is: 16,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.48 : 57,840.10 = 10,863.64 : x
  2. Step 2: Convert to fraction form
    38,563.48/57,840.10 = 10,863.64/x
  3. Step 3: Cross multiply
    38,563.48x = 57,840.10 × 10,863.64
  4. Step 4: Simplify right side
    38,563.48x = 628,354,023.96
  5. Step 5: Solve for x
    x = 628,354,023.96/38,563.48
  6. Step 6: Final answer
    x = 16,294.02

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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.