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Finding the Fourth Proportional to 34,847.92, 48,091.08 and 20,508.64

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Solution

The fourth proportional to 34,847.92, 48,091.08 and 20,508.64 is: 28,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,847.92 : 48,091.08 = 20,508.64 : x
  2. Step 2: Convert to fraction form
    34,847.92/48,091.08 = 20,508.64/x
  3. Step 3: Cross multiply
    34,847.92x = 48,091.08 × 20,508.64
  4. Step 4: Simplify right side
    34,847.92x = 986,282,646.93
  5. Step 5: Solve for x
    x = 986,282,646.93/34,847.92
  6. Step 6: Final answer
    x = 28,302.48

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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.