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Finding the Fourth Proportional to 36,653.74, 50,583.30 and 20,737.87

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Solution

The fourth proportional to 36,653.74, 50,583.30 and 20,737.87 is: 28,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.74 : 50,583.30 = 20,737.87 : x
  2. Step 2: Convert to fraction form
    36,653.74/50,583.30 = 20,737.87/x
  3. Step 3: Cross multiply
    36,653.74x = 50,583.30 × 20,737.87
  4. Step 4: Simplify right side
    36,653.74x = 1,048,989,899.57
  5. Step 5: Solve for x
    x = 1,048,989,899.57/36,653.74
  6. Step 6: Final answer
    x = 28,618.90

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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.