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Finding the Fourth Proportional to 36,499.95, 50,368.03 and 20,583.38

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Solution

The fourth proportional to 36,499.95, 50,368.03 and 20,583.38 is: 28,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,499.95 : 50,368.03 = 20,583.38 : x
  2. Step 2: Convert to fraction form
    36,499.95/50,368.03 = 20,583.38/x
  3. Step 3: Cross multiply
    36,499.95x = 50,368.03 × 20,583.38
  4. Step 4: Simplify right side
    36,499.95x = 1,036,744,375.80
  5. Step 5: Solve for x
    x = 1,036,744,375.80/36,499.95
  6. Step 6: Final answer
    x = 28,403.99

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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.