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Finding the Fourth Proportional to 47,800.82, 65,919.92 and 36,450.38

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Solution

The fourth proportional to 47,800.82, 65,919.92 and 36,450.38 is: 50,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.82 : 65,919.92 = 36,450.38 : x
  2. Step 2: Convert to fraction form
    47,800.82/65,919.92 = 36,450.38/x
  3. Step 3: Cross multiply
    47,800.82x = 65,919.92 × 36,450.38
  4. Step 4: Simplify right side
    47,800.82x = 2,402,806,133.57
  5. Step 5: Solve for x
    x = 2,402,806,133.57/47,800.82
  6. Step 6: Final answer
    x = 50,267.05

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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.