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Finding the Fourth Proportional to 8,373.92, 12,563.96 and 3,442.24

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Solution

The fourth proportional to 8,373.92, 12,563.96 and 3,442.24 is: 5,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.92 : 12,563.96 = 3,442.24 : x
  2. Step 2: Convert to fraction form
    8,373.92/12,563.96 = 3,442.24/x
  3. Step 3: Cross multiply
    8,373.92x = 12,563.96 × 3,442.24
  4. Step 4: Simplify right side
    8,373.92x = 43,248,165.67
  5. Step 5: Solve for x
    x = 43,248,165.67/8,373.92
  6. Step 6: Final answer
    x = 5,164.63

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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.