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Finding the Fourth Proportional to 32,137.92, 48,200.40 and 8,762.40

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Solution

The fourth proportional to 32,137.92, 48,200.40 and 8,762.40 is: 13,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,137.92 : 48,200.40 = 8,762.40 : x
  2. Step 2: Convert to fraction form
    32,137.92/48,200.40 = 8,762.40/x
  3. Step 3: Cross multiply
    32,137.92x = 48,200.40 × 8,762.40
  4. Step 4: Simplify right side
    32,137.92x = 422,351,184.96
  5. Step 5: Solve for x
    x = 422,351,184.96/32,137.92
  6. Step 6: Final answer
    x = 13,141.83

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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.